Kokuyo Ing vs SIHOO Doro S300
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
14.8 lb
lighter: Kokuyo Ing weighs less than SIHOO Doro S300 (official specs)
Differences at a glance
Sources
- KOKUYO ing instruction manual (8. Specifications) ↗Checked Sep 29, 2026
- Doro S300 Ergonomic Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
- KOKUYO Workstyle Shop – ing, cushion type, lateral type, adjustable arms ↗Checked Sep 29, 2026
- Sihoo Doro S300 Zero Gravity Ergonomic Office Chair – Official US Sihoo Store ↗Checked Sep 29, 2026
- KOKUYO quality warranty for office furniture ↗Checked Sep 29, 2026
- KOKUYO Workstyle Shop (Japan) (price) ↗Checked Sep 25, 2026
Kokuyo IngSIHOO Doro S300
- Price
- ¥119,790 – ¥183,150$999.99
- Seat height
- 425–515 mm (16.7–20.3 in)47 – 55.5 cm (18.50 – 21.85 in)
- Seat depth
- 455 mm (17.9 in)40 – 47 cm (15.75 – 18.50 in)
- Recline
- Gliding mechanism (back and seat move 360° front-back and side to side); front free tiltRecline Angles: 100°, 110°, 130°
- Arms
- Arm height adjusts in 11 steps with a button; armrest rotates 60° inward (2 steps)6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
- Headrest
- With-headrest type (tall back)Soft, integrated headrest; upper backrest adjusts in 5 levels
- Warranty
- Structure 10 years (purchases from Jan 1, 2023); mechanisms and moving parts 2 years; exterior and surface finish 1 year3 years
What users mention
From 8 Kokuyo Ing and 0 SIHOO Doro S300 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Kokuyo Ing7 mentionsSIHOO Doro S3006 mentionsPrice and value
Kokuyo Ing4 mentionsSIHOO Doro S3007 mentionsSeat
Kokuyo Ing7 mentionsSIHOO Doro S3002 mentionsBack support
Kokuyo Ing3 mentionsSIHOO Doro S3005 mentionsDesign
Kokuyo Ing3 mentionsSIHOO Doro S3005 mentionsAdjustability
Kokuyo Ing2 mentionsSIHOO Doro S3006 mentions
Questions
Which has a headrest?
Both: the Kokuyo Ing as standard and the SIHOO Doro S300 as standard.
What do owners mention most?
Comfort for the Kokuyo Ing, and breathability for the SIHOO Doro S300, based on review summaries.
Swap in a similar chair
Compare Kokuyo Ing with
Compare SIHOO Doro S300 with
More comparisons
- Kokuyo Ing vs Herman Miller Aeron Headrest: With-headrest type on Kokuyo Ing; None offered by Herman Miller on Herman Miller Aeron.
- Kokuyo Ing vs Steelcase Gesture Headrest: With-headrest type on Kokuyo Ing; Optional on Steelcase Gesture.
- SIHOO Doro S300 vs LiberNovo Omni Headrest: Soft, integrated headrest on SIHOO Doro S300; 3D Neckrest Adjustment on LiberNovo Omni.
- SIHOO Doro S300 vs Herman Miller Embody Arms: 6D coordinated armrests on SIHOO Doro S300; Fully Adjustable Arms on Herman Miller Embody.
- SIHOO Doro S300 vs Duorest Alpha Load capacity: 330 lb on SIHOO Doro S300; Standard 300 lbs. weight capacity on Duorest Alpha.
- SIHOO Doro S300 vs SIHOO Doro C300 Pro V2 Arms: 6D coordinated armrests on SIHOO Doro S300; 8D Bionic Armrests on SIHOO Doro C300 Pro V2.