Fit Grades · task chairs · configuration-specific fit
Haworth Soji
A fit grade for the current U.S. Haworth Soji standard-height chair with adjustable seat and 4D arms.
This is a provisional measured-fit grade based only on the published dimensions listed here—not a chair review, comfort score, or buying verdict. Published user-weight capacity is an eligibility warning, not part of the geometry grade.
Configurations
Soji
Current U.S. consumer build · standard-height cylinder · adjustable seat · 4D arms
- Seat width (hard) 20 in (508 mm)
- Lowest seat height (hard) 16.4 in (417 mm)
- Highest seat height (soft) 21 in (533 mm)
- Minimum adjustable depth (soft) 16.3 in (413 mm)
Published context not included in the grade
- Published inside-arm spacing 17.1–20.1 in — Current retail 4D-arm configuration. The 20.1 in maximum is not an extra hip limit beyond the scored 20 in pan; the 17.1 in inner stop is not scored.
What the grade covers
- Published 16.4–21 in standard seat-height range
- Minimum knee-clearance check using the 16.25 in shallowest seat-depth setting
- Published 20 in seat width vs seated hip breadth plus clothing
Not scored
- Minimum 17.1 in inside-arm spacing (inner stop for arm position, not hip clearance)
- Back support, recline, comfort, and preference
- Seat-pan support for longer thighs
- Low cylinder, fixed seat, other arm packages, and Soji XL
Manufacturer evidence
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