Vitra ID Soft vs SIHOO B100

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

Vitra

Vitra ID Soft

From $995

SIHOO

SIHOO B100

$199.99 – $259.99

$795.01

lower starting price for SIHOO B100 than Vitra ID Soft at the brand stores

Differences at a glance

Vitra ID SoftSIHOO B100

Price: From $995$199.99 – $259.99
Seat height: 400–520 mm (15¾″–20½″), measured with 64 kg load; 450 mm (17¾″) fixed seat heightSeat height adjustable from 18.3" to 21.9"
Recline: FlowMotion mechanism, lockable in upright sitting position, optional synchronised forward tilt; or optional AutoMotion mechanism with automatic weight adjustment and two backrest tension settings (hard or soft). No recline angle published.Three lockable angles: 110°, 125° and 135°
Arms: 2D armrests (height, width) or 3D armrests (height, width, depth, 360° swivel); ring armrests for conference use; also without armrests. Armrest height above seat 195–295 mm (7¾″–11½″)Flip-up 2D armrests
Warranty: 5 years (Vitra Inc. Limited Warranty, sales via the Vitra online shop)3 years

Which is cheaper, the Vitra ID Soft or the SIHOO B100?

The SIHOO B100 is cheaper to start: $199.99 versus $995 for the Vitra ID Soft at the brand stores (Oct 2026).