SIHOO B100 Pro 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 B100 Pro
$259.99 – $299.99
VS
30 lb
higher rated load for SIHOO B100 Pro than Okamura Contessa II (official specs)
Differences at a glance
Sources
- Sihoo B100 Pro Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store ↗Checked Oct 9, 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 Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗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 B100 ProOkamura Contessa II
- Price
- $259.99 – $299.99¥243,650 – ¥377,410
- Load capacity
- 330 lb (≈ 150 kg)300 lb (136 kg)
- Recline
- 3-position recline up to 135°Ankle-tilt reclining; recline angle 26°
- Arms
- Enlarged 4D flip-up armrests4D 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
- Wide 3D adjustable headrestOptions: large fixed headrest or small adjustable headrest (up/down, front/back, swivel)
- Lumbar support
- Responsive lower-back supportOptional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)
- Warranty
- 3 years10 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 B100 Pro, rated for 330 lb versus 300 lb for the Okamura Contessa II.
Which has a headrest?
Both: the SIHOO B100 Pro as standard and the Okamura Contessa II as an option.
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