Best Ergonomic Office Chairs: Herman Miller, Steelcase, Haworth & More (2026)

We compare 24 ergonomic office chairs from Herman Miller, Steelcase, Humanscale, Haworth, Branch, Sihoo and Hbada using only what each maker publishes: rated user weight, warranty, how far the seat slides, seat height range, how many ways the armrests move, and whether adjustable lumbar and forward tilt are offered. Steelcase seat and arm figures come from Steelcase's own shop in millimetres and are converted to inches; weight ratings come from Steelcase's US cut sheets. Anything the maker doesn't publish shows as "Not listed" and scores as the weakest published value.

Updated 2026-11-1224 products compared8 scored criteriaHow this ranking works

Affiliate disclosure: We earn a commission if you buy through links on this page, at no extra cost to you. It never affects our rankings, which come from the published scoring formula. As an Amazon Associate I earn from qualifying purchases. Learn more.

Top pick

Steelcase Leap

Score 8.5/10 · Check price

Why it wins: 4D arms, height-adjustable lumbar, 400 lb. .

Also great: Humanscale Freedom Task Chair (8.2) · Haworth Soji XL (8.1)

8.5/10

Check price at Amazon See pros, cons & specs

Side-by-side comparison

Swipe sideways on mobile. Green marks the best figure in each column.

Product	Score	Weight capacity	Warranty length	Seat depth adjustment	Maximum seat height	Best for	Price	Buy
1 S Steelcase Leap	8.5/10	400 lb	12 yr	2.95 in	21.3 in	4D arms, height-adjustable lumbar, 400 lb	Check price	View deal
2 H Humanscale Freedom Task Chair	8.2/10	400 lb	15 yr	2.45 in	20.25 in	Self-adjusting recline, 400 lb, 15-year warranty	Check price	View deal
3 H Haworth Soji XL	8.1/10	600 lb	12 yr	2.5 in	21 in	24.5" wide seat warrantied to 600 lb	Check price	View deal
4 S Steelcase Series 1	8.0/10	400 lb	12 yr	2.36 in	20.5 in	Steelcase's value chair with 4D arms and 400 lb	Check price	View deal
5 S Steelcase Gesture	7.8/10	400 lb	12 yr	2.56 in	20.5 in	360° arms built for devices, 400 lb	Check price	View deal
6 H Haworth Fern	7.6/10	350 lb	12 yr	3 in	21.5 in	Frameless back, optional 4D arms and forward tilt	Check price	View deal
7 H Haworth Zody	7.5/10	350 lb	12 yr	2.7 in	21 in	4D arms, forward tilt, 16–21" seat	Check price	View deal
8 H Haworth Soji	7.3/10	350 lb	12 yr	2.5 in	21 in	Optional 4D arms, lumbar and forward tilt	Check price	View deal
9 HM Herman Miller Embody	6.5/10	300 lb	12 yr	3 in	20.5 in	3" of seat depth travel and fully adjustable arms	Check price	View deal
10 S Steelcase Karman	6.1/10	350 lb	12 yr	0 in	20.3 in	Light suspension chair with 4D arms	Check price	View deal
11 HM Herman Miller Aeron (Size B)	6.0/10	350 lb	12 yr	0 in	20.5 in	The mesh benchmark, sized A/B/C	Check price	View deal
12 HM Herman Miller Sayl	6.0/10	350 lb	12 yr	Not listed	20.5 in	350 lb rating with optional height-adjustable lumbar	Check price	View deal
13 HM Herman Miller Cosm (Mid Back)	5.7/10	350 lb	12 yr	Not listed	Not listed	Auto-Harmonic tilt, no tension knob	Check price	View deal
14 HM Herman Miller Lino	5.7/10	350 lb	12 yr	Not listed	Not listed	Optional seat depth and fully adjustable arms	Check price	View deal
15 B Branch Ergonomic Chair	5.4/10	275 lb	7 yr	4 in	21 in	4" of seat depth travel for 5'2"–6'2"	Check price	View deal
16 B Branch Verve Chair	5.0/10	275 lb	7 yr	2.5 in	20.5 in	Knit chair with height-adjustable lumbar	Check price	View deal
17 S Sihoo Doro C300 Pro	5.0/10	330 lb	3 yr	0.95 in	Not listed	Adds seat depth and 6D arms to the C300	Check price	View deal
18 H Hbada E3 Ultra	5.0/10	300 lb	5 yr	2.76 in	Not listed	2.76" of seat depth travel	Check price	View deal
19 H Hbada E3 Air	4.9/10	330 lb	Not listed	1.97 in	Not listed	330 lb mesh chair with 1.97" seat depth travel	Check price	View deal
20 S Sihoo B300 Pro	4.5/10	330 lb	3 yr	Not listed	Not listed	4D lumbar and 6D arms	Check price	View deal
21 S Sihoo Doro S300	4.5/10	300 lb	3 yr	0.98 in	Not listed	6D arms with independent dynamic lumbar	Check price	View deal
22 S Sihoo Doro C300	4.2/10	330 lb	3 yr	0 in	Not listed	Budget 4D arms, self-adaptive lumbar	Check price	View deal
23 B Branch Ergonomic Chair Pro	4.0/10	275 lb	7 yr	Not listed	Not listed	5D arms, forward tilt and two-way lumbar	Check price	View deal
24 S Sihoo M57	4.0/10	330 lb	3 yr	0 in	Not listed	Low-cost mesh chair with dual-adjustable lumbar	Check price	View deal

"Not listed" means the manufacturer page we used does not publish that figure. Prices show "Check price" until a retailer feed provides a current price.

Every office chair, ranked

#1 · Top pick

Steelcase Leap

Best for: 4D arms, height-adjustable lumbar, 400 lb

8.5/10

What we like

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	400 lb
Warranty length	12 yr
Seat depth adjustment	2.95 in
Maximum seat height	21.3 in
Minimum seat height	16.1 in
Armrest adjustments	4 D
Adjustable lumbar	Yes
Forward tilt	Not listed
Seat height	410–540 mm (16.1"–21.3")
Usable seat depth	415–490 mm (16.3"–19.3")
Arm height from seat	160–260 mm
Width between arms	410–510 mm
Weight	Tested to 400 lb (EU shop lists 150 kg)
Price	Check price

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Specs sources:

Humanscale Freedom Task Chair

Best for: Self-adjusting recline, 400 lb, 15-year warranty

8.2/10

What we like

Top warranty length in this comparison (15 yr)

Watch out for

Lowest maximum seat height in this comparison (20.25 in)
Armrest adjustments not published by Humanscale

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	400 lb
Warranty length	15 yr
Seat depth adjustment	2.45 in
Maximum seat height	20.25 in
Minimum seat height	16.125 in
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat height	16.125"–20.25"
Seat depth	17.4"–19.85"
Warranty	15 years; fabric, cushions, arm pads, casters 5 years
Price	Check price

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Specs source:

Humanscale: Freedom Ocean Task Chair

Haworth Soji XL

Best for: 24.5" wide seat warrantied to 600 lb

8.1/10

What we like

Top weight capacity in this comparison (600 lb)

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	600 lb
Warranty length	12 yr
Seat depth adjustment	2.5 in
Maximum seat height	21 in
Minimum seat height	16.4 in
Armrest adjustments	4 D
Adjustable lumbar	Yes
Forward tilt	Not listed
Seat width	24.5"
Seat depth	16.25"–18.75"
Width between armrests	17.1"–20.1"
Weight	Warrantied to 600 lb
Price	Check price

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Specs source:

Haworth: Soji XL Office Chair

Steelcase Series 1

Best for: Steelcase's value chair with 4D arms and 400 lb

8.0/10

What we like

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	400 lb
Warranty length	12 yr
Seat depth adjustment	2.36 in
Maximum seat height	20.5 in
Minimum seat height	16.1 in
Armrest adjustments	4 D
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat height	410–520 mm (16.1"–20.5")
Usable seat depth	420–480 mm (16.5"–18.9")
Arm height from seat	185–285 mm
Width between arms	430–510 mm
Lumbar	Adjustable or fixed, by configuration
Price	Check price

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Specs sources:

Steelcase Gesture

Best for: 360° arms built for devices, 400 lb

7.8/10

What we like

Watch out for

Armrest adjustments not published by Steelcase

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	400 lb
Warranty length	12 yr
Seat depth adjustment	2.56 in
Maximum seat height	20.5 in
Minimum seat height	16.5 in
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat height	420–520 mm (16.5"–20.5")
Usable seat depth	410–475 mm (16.1"–18.7")
Arms	360-degree
Arm height from seat	185–295 mm
Width between arms	245–520 mm
Price	Check price

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Specs sources:

Haworth Fern

Best for: Frameless back, optional 4D arms and forward tilt

7.6/10

What we like

Top maximum seat height in this comparison (21.5 in)

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	3 in
Maximum seat height	21.5 in
Minimum seat height	16.5 in
Armrest adjustments	4 D
Adjustable lumbar	Not listed
Forward tilt	Yes
Seat depth	15.5"–18.5"
Arm height	6.7"–11.5"
Width between armrests	15.1"–19.8"
Weight	350 lb (325 lb with forward tilt)
Arms	Optional 4D
Price	Check price

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Specs source:

Haworth: Fern Office Chair

Haworth Zody

Best for: 4D arms, forward tilt, 16–21" seat

7.5/10

What we like

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	2.7 in
Maximum seat height	21 in
Minimum seat height	16 in
Armrest adjustments	4 D
Adjustable lumbar	Not listed
Forward tilt	Yes
Seat depth	16.8"–19.5" with lumbar
Arm height	7.6"–11.6"
Weight	350 lb (325 lb with forward tilt)
Price	Check price

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Specs source:

Haworth: Zody Office Chair

Haworth Soji

Best for: Optional 4D arms, lumbar and forward tilt

7.3/10

What we like

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt 5%

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	2.5 in
Maximum seat height	21 in
Minimum seat height	16.4 in
Armrest adjustments	4 D
Adjustable lumbar	Yes
Forward tilt	Yes
Seat depth	16.25"–18.75"
Width between armrests	17.1"–20.1"
Lumbar	Optional, 3.5" range
Price	Check price

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Specs source:

Haworth: Soji Office Chair

Herman Miller Embody

Best for: 3" of seat depth travel and fully adjustable arms

6.5/10

What we like

Watch out for

Armrest adjustments not published by Herman Miller

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	300 lb
Warranty length	12 yr
Seat depth adjustment	3 in
Maximum seat height	20.5 in
Minimum seat height	16 in
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat height	16"–20.5" (extended 17"–22")
Seat depth	15"–18"
Arms	Fully adjustable
Price	Check price

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Specs source:

Herman Miller: Embody product sheet

#10

Steelcase Karman

Best for: Light suspension chair with 4D arms

6.1/10

What we like

Watch out for

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	0 in
Maximum seat height	20.3 in
Minimum seat height	16.1 in
Armrest adjustments	4 D
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat height	410–515 mm (16.1"–20.3")
Seat depth	Fixed, 440 mm usable
Arm height from seat	195–295 mm
Width between arms	430–550 mm
Price	Check price

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Specs sources:

#11

Herman Miller Aeron (Size B)

Best for: The mesh benchmark, sized A/B/C

6.0/10

What we like

Watch out for

Armrest adjustments not published by Herman Miller

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	0 in
Maximum seat height	20.5 in
Minimum seat height	16 in
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Sizes	A: 300 lb, 14¾"–19" seat; B: 350 lb, 16"–20½"; C: 400 lb, 16"–20½"
Seat depth	Fixed per size (A 16.4", B 17", C 18.9")
Warranty	12-year, 3-shift
Price	Check price

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Specs sources:

#12

Herman Miller Sayl

Best for: 350 lb rating with optional height-adjustable lumbar

6.0/10

What we like

Watch out for

Seat depth adjustment not published by Herman Miller
Armrest adjustments not published by Herman Miller

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment * 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	Not listed
Maximum seat height	20.5 in
Minimum seat height	16 in
Armrest adjustments	Not listed
Adjustable lumbar	Yes
Forward tilt	Not listed
Seat height	16"–20.5" (extended 16.5"–22")
Lumbar	Optional height-adjustable
Seat depth adjustment	Not published by the maker
Price	Check price

Check price at Amazon Full specs

Specs source:

Herman Miller: Sayl product sheet

#13

Herman Miller Cosm (Mid Back)

Best for: Auto-Harmonic tilt, no tension knob

5.7/10

What we like

Watch out for

Seat depth adjustment not published by Herman Miller
Maximum seat height not published by Herman Miller
Minimum seat height not published by Herman Miller
Armrest adjustments not published by Herman Miller

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment * 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	Not listed
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Tilt	Auto-Harmonic
Arms	Leaf, height-adjustable, fixed or none
Seat height	Not published by the maker
Price	Check price

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Specs source:

Herman Miller: Cosm product sheet

#14

Herman Miller Lino

Best for: Optional seat depth and fully adjustable arms

5.7/10

What we like

Watch out for

Seat depth adjustment not published by Herman Miller
Maximum seat height not published by Herman Miller
Minimum seat height not published by Herman Miller
Armrest adjustments not published by Herman Miller

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment * 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	350 lb
Warranty length	12 yr
Seat depth adjustment	Not listed
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	Optional seat depth control
Arms	None, fixed, height-adjustable or fully adjustable
Price	Check price

Check price at Amazon Full specs

Specs source:

Herman Miller: Lino product sheet

#15

Branch Ergonomic Chair

Best for: 4" of seat depth travel for 5'2"–6'2"

5.4/10

What we like

Top seat depth adjustment in this comparison (4 in)

Watch out for

Lowest weight capacity in this comparison (275 lb)
Highest minimum seat height in this comparison (17 in)
Armrest adjustments not published by Branch

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	275 lb
Warranty length	7 yr
Seat depth adjustment	4 in
Maximum seat height	21 in
Minimum seat height	17 in
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	18"–22"
Armrest height	26"–29"
Adjustments	Eight points
Price	Check price

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Specs source:

Branch: Ergonomic Chair

#16

Branch Verve Chair

Best for: Knit chair with height-adjustable lumbar

5.0/10

What we like

Watch out for

Lowest weight capacity in this comparison (275 lb)
Armrest adjustments not published by Branch

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height 10%

Minimum seat height 10%

Armrest adjustments * 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	275 lb
Warranty length	7 yr
Seat depth adjustment	2.5 in
Maximum seat height	20.5 in
Minimum seat height	16.5 in
Armrest adjustments	Not listed
Adjustable lumbar	Yes
Forward tilt	Not listed
Seat depth	16.5"–19"
Adjustments	Six points
Price	Check price

Check price at Amazon Full specs

Specs source:

Branch: Verve Chair

#17

Sihoo Doro C300 Pro

Best for: Adds seat depth and 6D arms to the C300

5.0/10

What we like

Top armrest adjustments in this comparison (6D)

Watch out for

Maximum seat height not published by Sihoo
Minimum seat height not published by Sihoo

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	330 lb
Warranty length	3 yr
Seat depth adjustment	0.95 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	6 D
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	16.81"–17.76"
Seat height	Not published by the maker
Price	Check price

Check price at Amazon Full specs

Specs source:

Sihoo: Doro C300 Pro

#18

Hbada E3 Ultra

Best for: 2.76" of seat depth travel

5.0/10

What we like

Watch out for

Maximum seat height not published by Hbada
Minimum seat height not published by Hbada
Armrest adjustments not published by Hbada

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	300 lb
Warranty length	5 yr
Seat depth adjustment	2.76 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	16.14"–18.90"
Warranty	5 years core load-bearing parts
Seat height	Not listed (maker figures conflict)
Price	Check price

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Specs source:

Hbada: E3 Ultra

#19

Hbada E3 Air

Best for: 330 lb mesh chair with 1.97" seat depth travel

4.9/10

What we like

Watch out for

Warranty length not published by Hbada
Maximum seat height not published by Hbada
Minimum seat height not published by Hbada
Armrest adjustments not published by Hbada

Score breakdown

Weight capacity 25%

Warranty length * 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments * 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	330 lb
Warranty length	Not listed
Seat depth adjustment	1.97 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	Not listed
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth adjustment	1.97"
Warranty	"Up to 5 years" on selected chairs (model not specified)
Seat height	Not published by the maker
Price	Check price

Check price at Amazon Full specs

Specs source:

Hbada: E3 Air

#20

Sihoo B300 Pro

Best for: 4D lumbar and 6D arms

4.5/10

What we like

Top armrest adjustments in this comparison (6D)

Watch out for

Seat depth adjustment not published by Sihoo
Maximum seat height not published by Sihoo
Minimum seat height not published by Sihoo

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment * 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	330 lb
Warranty length	3 yr
Seat depth adjustment	Not listed
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	6 D
Adjustable lumbar	Yes
Forward tilt	Not listed
Lumbar	4D MicroFit
Seat height	Not published by the maker
Seat depth range	Not published by the maker
Price	Check price

Check price at Amazon Full specs

Specs source:

Sihoo: B300 Pro

#21

Sihoo Doro S300

Best for: 6D arms with independent dynamic lumbar

4.5/10

What we like

Top armrest adjustments in this comparison (6D)

Watch out for

Maximum seat height not published by Sihoo
Minimum seat height not published by Sihoo

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	300 lb
Warranty length	3 yr
Seat depth adjustment	0.98 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	6 D
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	17.13"–18.11"
Weight	Spec table lists 330 lb, FAQ says 300 lb; we use 300
Seat height	Not published by the maker
Price	Check price

Check price at Amazon Full specs

Specs source:

Sihoo: Doro S300

#22

Sihoo Doro C300

Best for: Budget 4D arms, self-adaptive lumbar

4.2/10

What we like

Watch out for

Maximum seat height not published by Sihoo
Minimum seat height not published by Sihoo

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar * 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	330 lb
Warranty length	3 yr
Seat depth adjustment	0 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	4 D
Adjustable lumbar	Not listed
Forward tilt	Not listed
Seat depth	18.11" (fixed)
Lumbar	Self-adaptive
Seat height	Not published by the maker
Price	Check price

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Specs source:

Sihoo: Doro C300

#23

Branch Ergonomic Chair Pro

Best for: 5D arms, forward tilt and two-way lumbar

4.0/10

What we like

Watch out for

Lowest weight capacity in this comparison (275 lb)
Seat depth adjustment not published by Branch
Maximum seat height not published by Branch
Minimum seat height not published by Branch

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment * 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Weight capacity	275 lb
Warranty length	7 yr
Seat depth adjustment	Not listed
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	5 D
Adjustable lumbar	Yes
Forward tilt	Yes
Adjustments	14 points
Lumbar	Two-way adjustable
Seat height	Not published by the maker
Seat depth range	Not published by the maker
Price	Check price

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Specs source:

Branch: Ergonomic Chair Pro

#24

Sihoo M57

Best for: Low-cost mesh chair with dual-adjustable lumbar

4.0/10

What we like

Watch out for

Maximum seat height not published by Sihoo
Minimum seat height not published by Sihoo
Lowest armrest adjustments in this comparison (3D)

Score breakdown

Weight capacity 25%

Warranty length 20%

Seat depth adjustment 15%

Maximum seat height * 10%

Minimum seat height * 10%

Armrest adjustments 10%

Adjustable lumbar 5%

Forward tilt * 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Weight capacity	330 lb
Warranty length	3 yr
Seat depth adjustment	0 in
Maximum seat height	Not listed
Minimum seat height	Not listed
Armrest adjustments	3 D
Adjustable lumbar	Yes
Forward tilt	Not listed
Seat depth	Fixed
Arms	3D
Seat height	Not published by the maker
Price	Check price

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Specs source:

Sihoo: M57

Buying guide: how to choose the right office chair

Match seat height to your legs

You want your feet flat and thighs level. Shorter users should look for a low point near 16" or less (Aeron size A, Humanscale Freedom). Taller users should look for 21" or more (Fern, Zody, Soji, Steelcase Leap) or an extended cylinder.

Seat depth matters more than it looks

You want two to three fingers between the seat edge and the back of your knee. Adjustable seats (Branch Ergonomic 4", Haworth Fern and Embody 3") fit a wider range of leg lengths than fixed seats (Aeron, Karman, Sihoo C300).

Arm adjustments

4D arms move up/down, forward/back, side to side and pivot. That lets you rest your forearms at desk height without shrugging. Check the arm height range against your desk.

Weight ratings and warranties

A higher rating usually means a stronger base and cylinder. Steelcase Leap, Gesture and Series 1 and Humanscale Freedom are rated 400 lb; Haworth Soji XL is warrantied to 600 lb.

How this ranking is calculated

Score = weighted average of normalised specs, out of 10. Full method

Weight capacityThe heaviest user the maker rates or warranties the chair for. Anything above 400 lb scores the same as 400 lb. Scale: 250 → 400 lb.

25%

Warranty lengthYears of coverage on the chair's frame and mechanism, as the maker states it. Scale: 1 → 15 yr.

20%

Seat depth adjustmentHow far the seat slides front to back. A fixed seat scores 0; longer travel fits more leg lengths. Metric figures converted (25.4 mm = 1 in). Scale: 0 → 3.5 in.

15%

Maximum seat heightFloor to top of seat at its highest, with the standard cylinder. Taller users need more. Scale: 19 → 22.5 in.

10%

Minimum seat heightFloor to top of seat at its lowest. Shorter users need less to keep feet flat. Scale: 19 → 15.5 in.

10%

Armrest adjustmentsThe number of directions the armrests move (4D = up/down, forward/back, side to side, pivot) as the maker labels them. Unlabeled arms score as the lowest figure. Scale: 0 → 6 D.

10%

Adjustable lumbarYes when the maker lists lumbar support you can adjust (standard or as an option).

Forward tiltYes when the maker offers a forward seat tilt, useful for upright, task-focused work.

Frequently asked questions

Why do Steelcase chairs show millimetre figures?

Steelcase's US product pages don't publish dimensions in a form we could read, so we use Steelcase's own shop listings in millimetres and convert them, with the 400 lb ratings from Steelcase's US cut sheets.

Why do Sihoo chairs score low on seat height?

Sihoo's product pages list seat depth and back height but not a seat height range, so those chairs score as the lowest published figure.

Where's the Herman Miller Mirra 2?

We couldn't retrieve a Mirra 2 spec sheet from Herman Miller, so it's left out until we can verify it.

Top pick · 8.5/10Steelcase Leap

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