SIHOO Doro C300 Ultra V2 vs Kokuyo Entry
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Doro C300 Ultra V2 Zero‑Gravity Full‑Body Adaptive Ergonomic Chair – UK Sihoo official Shop ↗Checked Oct 13, 2026
- KOKUYO ENTRY instruction manual (8. Specifications) ↗Checked Sep 29, 2026
- Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 13, 2026
- KOKUYO chair series function comparison table (KOKUYO Workstyle Shop) ↗Checked Sep 29, 2026
- KOKUYO quality warranty for office furniture ↗Checked Sep 29, 2026
- KOKUYO Workstyle Shop (Japan) (price) ↗Checked Sep 29, 2026
SIHOO Doro C300 Ultra V2Kokuyo Entry
- Price
- $679.99 – $689.99¥29,700
- Seat height
- 47.5–55.5 cm (≈ 18.7-21.9 in)435–530 mm (17.1–20.9 in); 415–510 mm (16.3–20.1 in)
- Seat depth
- 16.9–18.5 in (≈ 43-47 cm)430–470 mm (16.9–18.5 in)
- Recline
- Recline Angles 105°, 120°, 135°Synchro rocking; rocking lock; tension adjustment
- Arms
- 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)Adjustable arms: armrest height adjusts in 9 steps over 90 mm
- Headrest
- Ultra-wide 3D headrest, adjusts in three directionsAdjustable arms, with headrest (CRB-9000)
- Lumbar support
- Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsLumbar support: height adjustment; firmness in 3 steps
- Warranty
- 3 years (covers manufacturing defects)Structure 3 years from delivery; mechanisms and moving parts 2 years; exterior and surface finish 1 year
Questions
Which has a headrest?
Both: the SIHOO Doro C300 Ultra V2 as standard and the Kokuyo Entry as standard.
SIHOO Doro C300 Ultra V2: specs, reviews, where to buy →Kokuyo Entry: specs, reviews, where to buy →






