Humanscale World One vs SIHOO B300 Pro

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 B300 Pro

$329.99 – $379.99

$375.01

lower starting price for SIHOO B300 Pro than Humanscale World One at the brand stores

Differences at a glance

Humanscale World OneSIHOO B300 Pro

Price: $705$329.99 – $379.99
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 mm46.8–55.3 cm
Seat depth: 16.4 / 416 in; 17.9 / 454 in16.5–18.5 in (≈ 42-47 cm)
Load capacity: 100–400 lb330 lb (≈ 150 kg)
Recline: 17° Recline + 8° Backrest TiltThree lockable recline 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 Arms6D All-Around Armrests (rotate, adjust, flip up)
Lumbar support: Tri-panel back with Form Sensing Mesh technology provides tailor-made lumbar support (no knobs or levers)4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
Warranty: 12 Years, Component and Parts; 5 Years, Fabric/Cushions3-Year Free Warranty

Which is cheaper, the Humanscale World One or the SIHOO B300 Pro?

The SIHOO B300 Pro is cheaper to start: $329.99 versus $705 for the Humanscale World One at the brand stores (Sep 2026).