SIHOO Doro C300 Pro V2 vs Okamura Contessa II
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO
SIHOO Doro C300 Pro V2
$499.99 – $549.99
VS
30 lb
higher rated load for SIHOO Doro C300 Pro V2 than Okamura Contessa II (official specs)
Differences at a glance
Sources
- Sihoo Doro C300 Pro V2 Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
- Okamura Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗Checked Sep 26, 2026
- Contessa II | Okamura global (okamura.com, Asia Pacific English) ↗Checked Sep 26, 2026
- Okamura Japan product page: Contessa Seconda (Japanese) ↗Checked Sep 26, 2026
- Okamura Global General Warranty Statement (excludes Japan) ↗Checked Sep 26, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
SIHOO Doro C300 Pro V2Okamura Contessa II
- Price
- $499.99 – $549.99¥243,650 – ¥377,410
- Seat height
- 17.5–20.9 in434–544 mm (17.1–21.4 in)
- Seat depth
- Seat Depth 16.9" - 18.5"400–450 mm (15.7–17.7 in)
- Load capacity
- 330 lb (≈ 150 kg)300 lb (136 kg)
- Recline
- Recline Angles 105°, 120°, 135°Ankle-tilt reclining; recline angle 26°
- Arms
- 8D Bionic Armrests (up, down, forward, back, rotate, or tilt)4D arm or fixed arm; armrest height from the floor 604–814 mm (4D arm), 639–749 mm (fixed arm) (23.8–32 in; 25.2–29.5 in)
- Headrest
- Ultra-wide 3D headrest, adjusts in three directionsOptions: large fixed headrest or small adjustable headrest (up/down, front/back, swivel)
- Lumbar support
- Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levelsOptional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)
- Warranty
- 3 years (covers manufacturing defects)10 years: structural components, including mechanisms and adjustable arms; 5 years: casters, gas cylinder, adjustment levers; 2 years: coating finish, mesh and fabric, cushions, arm pads
Questions
Which has a higher weight capacity?
The SIHOO Doro C300 Pro V2, rated for 330 lb versus 300 lb for the Okamura Contessa II.
Which has a headrest?
Both: the SIHOO Doro C300 Pro V2 as standard and the Okamura Contessa II as an option.
SIHOO Doro C300 Pro V2: specs, reviews, where to buy →Okamura Contessa II: specs, reviews, where to buy →
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More comparisons
- SIHOO Doro C300 Pro V2 vs Herman Miller Aeron Arms: 8D Bionic Armrests on SIHOO Doro C300 Pro V2; Arm height 7.5–11.5 in on Herman Miller Aeron.
- SIHOO Doro C300 Pro V2 vs Steelcase Leap V2 Load capacity: 330 lb on SIHOO Doro C300 Pro V2; 400 lb on Steelcase Leap V2.
- SIHOO Doro C300 Pro V2 vs HBADA X7 Smart SIHOO Doro C300 Pro V2 lists at $499.99 – $549.99; HBADA X7 Smart at $1,509 (official stores).
- SIHOO Doro C300 Pro V2 vs LiberNovo Omni Arms: 8D Bionic Armrests on SIHOO Doro C300 Pro V2; 4D Armrest Adjustment on LiberNovo Omni.
- Okamura Contessa II vs Steelcase Gesture Arms: 4D arm or fixed arm on Okamura Contessa II; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Okamura Contessa II vs Herman Miller Aeron Arms: 4D arm or fixed arm on Okamura Contessa II; Arm height 7.5–11.5 in on Herman Miller Aeron.


