SIHOO Doro C300 vs Kokuyo Ing
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
8.1 lb
lighter: Kokuyo Ing weighs less than SIHOO Doro C300 (official specs)
Differences at a glance
Sources
- Doro C300 Ergonomic Office 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 C300 Advanced 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 C300Kokuyo Ing
- Price
- $559.99 – $569.99¥119,790 – ¥183,150
- Seat height
- 47–55 cm425–515 mm (16.7–20.3 in)
- Seat depth
- 43.5–46 cm455 mm (17.9 in)
- Recline
- Recline Angles: 110°, 120°, 130°Gliding mechanism (back and seat move 360° front-back and side to side); front free tilt
- Arms
- 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage)Arm height adjusts in 11 steps with a button; armrest rotates 60° inward (2 steps)
- Headrest
- 3D Mechanical HeadrestWith-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 1 SIHOO Doro C300 and 8 Kokuyo Ing user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
SIHOO Doro C3004 mentionsKokuyo Ing7 mentionsSeat
SIHOO Doro C3004 mentionsKokuyo Ing7 mentionsAdjustability
SIHOO Doro C3007 mentionsKokuyo Ing2 mentionsDesign
SIHOO Doro C3005 mentionsKokuyo Ing3 mentionsBack support
SIHOO Doro C3004 mentionsKokuyo Ing3 mentionsPrice and value
SIHOO Doro C3003 mentionsKokuyo Ing4 mentions
Questions
Which has a headrest?
Both: the SIHOO Doro C300 as standard and the Kokuyo Ing as standard.
What do owners mention most?
Adjustability for the SIHOO Doro C300, and comfort for the Kokuyo Ing, based on review summaries.
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More comparisons
- SIHOO Doro C300 vs Steelcase Leap V2 Headrest: 3D Mechanical Headrest on SIHOO Doro C300; Optional on Steelcase Leap V2.
- SIHOO Doro C300 vs Herman Miller Aeron Headrest: 3D Mechanical Headrest on SIHOO Doro C300; None offered by Herman Miller on Herman Miller Aeron.
- SIHOO Doro C300 vs Steelcase Series 1 Headrest: 3D Mechanical Headrest on SIHOO Doro C300; Optional headrest on Steelcase Series 1.
- SIHOO Doro C300 vs HBADA E3 Air (2026 Edition) Arms: 4D coordinated armrests on SIHOO Doro C300; Armrest Height: 68.5cm–84cm on HBADA E3 Air (2026 Edition).
- 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.