Steelcase Karman vs SIHOO Doro C300 Pro

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Steelcase

Steelcase Karman

$1,199 – $1,543

SIHOO

SIHOO Doro C300 Pro

$789.99 – $839.99

26.3 lb

lighter: Steelcase Karman weighs less than SIHOO Doro C300 Pro (official specs)

Differences at a glance

Steelcase KarmanSIHOO Doro C300 Pro

Price: $1,199 – $1,543$789.99 – $839.99
Seat height: 15.625–20 in (39.7–50.8 cm)46–56.7 cm
Seat depth: Fixed seat depth (no number given)16.81–17.76 in (≈ 42.7-45.1 cm)
Load capacity: 350 lb (158.8 kg)330 lb (≈ 150 kg)
Recline: Comfort dial supports four recline positionsMaximum recline angle of 135°
Arms: 4D arms or armless; 4D ARM: raise up and down, pivot in and out, shift in all directions6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Headrest: No headrest option; High Back version has an adjustable neck support pillowHeadrest adjusts up and down, back and forth, or rotates
Lumbar support: Optional lumbar supportLumbar support automatically conforms to your spine (BM Tracking System)
Warranty: Steelcase Limited Lifetime Warranty3 years

Which is cheaper, the Steelcase Karman or the SIHOO Doro C300 Pro?

The SIHOO Doro C300 Pro is cheaper to start: $789.99 versus $1,199 for the Steelcase Karman at the brand stores (Sep 2026).

Which has a higher weight capacity?

The Steelcase Karman, rated for 350 lb versus 330 lb for the SIHOO Doro C300 Pro.

Which has a headrest?

Only the SIHOO Doro C300 Pro (as standard); the Steelcase Karman does not offer one.