Humanscale World One 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.

Humanscale

Humanscale World One

$705

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

Nearly the same price

$705 vs $679.99 starting prices at the brand stores (Humanscale World One vs SIHOO Doro C300 Ultra V2)

Differences at a glance

Humanscale World OneSIHOO Doro C300 Ultra V2

Price: $705$679.99 – $689.99
Seat height: 15.6 in - 20.7 in / 397 mm - 527 mm; 16 in - 21 in / 425 mm - 545; 18.1 in - 25.6 in / 460 mm - 651 mm47.5–55.5 cm (≈ 18.7-21.9 in)
Seat depth: 16.4 / 416 in; 17.9 / 454 in16.9–18.5 in (≈ 43-47 cm)
Load capacity: 100–400 lb330 lb (≈ 150 kg)
Recline: 17° Recline + 8° Backrest TiltRecline Angles 105°, 120°, 135°
Arms: Armrest Height 9.5 in Fixed / 7.2 in - 10.75 in Adjustable (241.3 mm / 183 mm - 273 mm); options Adjustable Duron Arms, Fixed Duron Arms, No Arms8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
Lumbar support: Tri-panel back with Form Sensing Mesh technology provides tailor-made lumbar support (no knobs or levers)Domino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
Warranty: 12 Years, Component and Parts; 5 Years, Fabric/Cushions3 years (covers manufacturing defects)

Which is cheaper, the Humanscale World One or the SIHOO Doro C300 Ultra V2?

The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $705 for the Humanscale World One at the brand stores (Sep 2026).