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

SIHOO
SIHOO Doro C300 Ultra V2
$679.99 – $689.99
VS
7 years
longer warranty on Kokuyo Ing Cloud than SIHOO Doro C300 Ultra V2 (official terms)
Differences at a glance
Sources
- Doro C300 Ultra V2 Zero‑Gravity Full‑Body Adaptive Ergonomic Chair – UK Sihoo official Shop ↗Checked Oct 13, 2026
- ingCloud Spec Sheet (PDF, English; linked as 'Spec Sheet' from kokuyo.com global page) ↗Checked Sep 28, 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
SIHOO Doro C300 Ultra V2Kokuyo Ing Cloud
- Price
- $679.99 – $689.99¥246,180 – ¥268,510
- Seat height
- 47.5–55.5 cm (≈ 18.7-21.9 in)425–495 mm (16.7–19.5 in)
- Seat depth
- 16.9–18.5 in (≈ 43-47 cm)No seat depth adjustment (seat front flexes: Front Free Tilt)
- Recline
- Recline Angles 105°, 120°, 135°Front Free Tilt (seat front flexes on recline); Triple Gliding (seat, backrest, armrest) with 2-step gliding range adjustment; no recline angle published
- Arms
- 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)Height adjustment range 80 mm; pivot direction inward
- Headrest
- Ultra-wide 3D headrest, adjusts in three directionsHeadrest on w/ Headrest type only; height adjustment 70 mm; cannot be retrofitted (70 mm = 2.8 in)
- Lumbar support
- Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsNo lumbar adjustment: lower part of the 3D Hammock Mesh backrest supports the lumbar region from both sides
- Warranty
- 3 years (covers manufacturing defects)10 years (structural frame)
Questions
Which has a headrest?
Both: the SIHOO Doro C300 Ultra V2 as standard and the Kokuyo Ing Cloud as standard.
SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →Kokuyo Ing Cloud: specs, reviews, where to buy →
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More comparisons
- 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.
- 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.


