SIHOO Doro S300 vs Kokuyo Ing
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
- Doro S300 Ergonomic Chair – UK Sihoo official Shop ↗Checked Sep 29, 2026
- KOKUYO ing instruction manual (8. Specifications) ↗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
SIHOO Doro S300Kokuyo Ing
- Price
- $999.99¥119,790 – ¥183,150
- Seat height
- 47 – 55.5 cm (18.50 – 21.85 in)425–515 mm (16.7–20.3 in)
- Seat depth
- 40 – 47 cm (15.75 – 18.50 in)455 mm (17.9 in)
- Recline
- Recline Angles: 100°, 110°, 130°Gliding mechanism (back and seat move 360° front-back and side to side); front free tilt
- Arms
- 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Arm height adjusts in 11 steps with a button; armrest rotates 60° inward (2 steps)
- Headrest
- Soft, integrated headrest; upper backrest adjusts in 5 levelsWith-headrest type (tall back)
- Warranty
- 3 yearsStructure 10 years (purchases from Jan 1, 2023); mechanisms and moving parts 2 years; exterior and surface finish 1 year
What users mention
From 0 SIHOO Doro S300 and 8 Kokuyo Ing user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
SIHOO Doro S3006 mentionsKokuyo Ing7 mentionsPrice and value
SIHOO Doro S3007 mentionsKokuyo Ing4 mentionsSeat
SIHOO Doro S3002 mentionsKokuyo Ing7 mentionsAdjustability
SIHOO Doro S3006 mentionsKokuyo Ing2 mentionsBuild quality
SIHOO Doro S3006 mentionsKokuyo Ing2 mentionsBack support
SIHOO Doro S3005 mentionsKokuyo Ing3 mentions
Questions
Which has a headrest?
Both: the SIHOO Doro S300 as standard and the Kokuyo Ing as standard.
What do owners mention most?
Breathability for the SIHOO Doro S300, and comfort for the Kokuyo Ing, based on review summaries.
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More comparisons
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- 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.
- 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.