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Haworth Soji XL vs Haworth Soji

Two of the ergonomic office chairs in our best ergonomic office chairs: herman miller, steelcase, haworth & more comparison, lined up spec by spec. Every figure comes from the manufacturer pages linked below, and the scores use the same published formula as the full ranking.

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#3 of 24 in Ergonomic Office Chairs

Haworth Soji XL

8.1/10

Best for: 24.5" wide seat warrantied to 600 lb

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#8 of 24 in Ergonomic Office Chairs

Haworth Soji

7.3/10

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

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Spec-by-spec comparison

Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.

SpecHaworth Soji XLHaworth SojiWeight
Weight capacityThe heaviest user the maker rates or warranties the chair for. Anything above 400 lb scores the same as 400 lb. 600 lb 350 lb 25%
Warranty lengthYears of coverage on the chair's frame and mechanism, as the maker states it. 12 yr 12 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). 2.5 in 2.5 in 15%
Maximum seat heightFloor to top of seat at its highest, with the standard cylinder. Taller users need more. 21 in 21 in 10%
Minimum seat heightFloor to top of seat at its lowest. Shorter users need less to keep feet flat. 16.4 in 16.4 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. 4 D 4 D 10%
Adjustable lumbarYes when the maker lists lumbar support you can adjust (standard or as an option). Yes Yes 5%
Forward tiltYes when the maker offers a forward seat tilt, useful for upright, task-focused work. Not listed Yes 5%
Seat width24.5"Not listedinfo
Seat depth16.25"–18.75"16.25"–18.75"info
Width between armrests17.1"–20.1"17.1"–20.1"info
WeightWarrantied to 600 lbNot listedinfo
LumbarNot listedOptional, 3.5" rangeinfo
ErgoPick score8.1/107.3/10100%

Where each one comes out ahead

Haworth Soji XL

Better published figure on: Weight capacity.

What we like

  • Top weight capacity in this comparison (600 lb)

Watch out for

    Haworth Soji

    No scored spec where it is strictly ahead; its case rests on the strengths below.

    What we like

      Watch out for

        Verdict

        Same seat height and depth travel. The XL has a 24.5" seat and is warrantied to 600 vs 350 lb.

        Haworth Soji XL on AmazonHaworth Soji on Amazon
        Spec sources

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