Humanscale World One vs SIHOO M59AS

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 M59AS

$449.99

$255.01

lower starting price for SIHOO M59AS than Humanscale World One at the brand stores

Differences at a glance

Humanscale World OneSIHOO M59AS

Price: $705$449.99
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 mm46.5–56.5 cm
Seat depth: 16.4 / 416 in; 17.9 / 454 in17.13 in (≈ 43.5 cm)
Load capacity: 100–400 lb330 lb (≈ 150 kg)
Recline: 17° Recline + 8° Backrest TiltRecline up to 126°
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 Arms3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)
Lumbar support: Tri-panel back with Form Sensing Mesh technology provides tailor-made lumbar support (no knobs or levers)Dynamic lumbar support in a dual-section backrest
Warranty: 12 Years, Component and Parts; 5 Years, Fabric/Cushions3 years

Which is cheaper, the Humanscale World One or the SIHOO M59AS?

The SIHOO M59AS is cheaper to start: $449.99 versus $705 for the Humanscale World One at the brand stores (Sep 2026).