Kokuyo Ing Cloud vs SIHOO Doro C300 Ultra V2
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
VS

SIHOO
SIHOO Doro C300 Ultra V2
$679.99 – $689.99
7 years
longer warranty on Kokuyo Ing Cloud than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- ingCloud Spec Sheet (PDF, English; linked as 'Spec Sheet' from kokuyo.com global page) ↗Checked Sep 28, 2026
- Doro C300 Ultra V2 Zero‑Gravity Full‑Body Adaptive Ergonomic Chair – UK Sihoo official Shop ↗Checked Oct 13, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
- KOKUYO Workstyle Shop (Japan) (price) ↗Checked Sep 30, 2026
Kokuyo Ing CloudSIHOO Doro C300 Ultra V2
- Price
- ¥246,180 – ¥268,510$679.99 – $689.99
- Seat height
- 425–495 mm (16.7–19.5 in)47.5–55.5 cm (≈ 18.7-21.9 in)
- Seat depth
- No seat depth adjustment (seat front flexes: Front Free Tilt)16.9–18.5 in (≈ 43-47 cm)
- Recline
- Front Free Tilt (seat front flexes on recline); Triple Gliding (seat, backrest, armrest) with 2-step gliding range adjustment; no recline angle publishedRecline Angles 105°, 120°, 135°
- Arms
- Height adjustment range 80 mm; pivot direction inward8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
- Headrest
- Headrest on w/ Headrest type only; height adjustment 70 mm; cannot be retrofitted (70 mm = 2.8 in)Ultra-wide 3D headrest, adjusts in three directions
- Lumbar support
- No lumbar adjustment: lower part of the 3D Hammock Mesh backrest supports the lumbar region from both sidesDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
- Warranty
- 10 years (structural frame)3 years (covers manufacturing defects)
Questions
Which has a headrest?
Both: the Kokuyo Ing Cloud as standard and the SIHOO Doro C300 Ultra V2 as standard.
Kokuyo Ing Cloud: specs, reviews, where to buy →SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →
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- Kokuyo Ing Cloud vs Herman Miller Aeron Headrest: Headrest on w/ Headrest type only on Kokuyo Ing Cloud; None offered by Herman Miller on Herman Miller Aeron.
- Kokuyo Ing Cloud vs Steelcase Gesture Headrest: Headrest on w/ Headrest type only on Kokuyo Ing Cloud; Optional on Steelcase Gesture.
- SIHOO Doro C300 Ultra V2 vs SIHOO Doro S300 Arms: 8D Bionic Armrests on SIHOO Doro C300 Ultra V2; 6D coordinated armrests on SIHOO Doro S300.


