Vitra ID Soft vs SIHOO B100 Pro

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 Pro

$259.99 – $299.99

$735.01

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

Differences at a glance

Vitra ID SoftSIHOO B100 Pro

Price: From $995$259.99 – $299.99
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.3-position recline up to 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″)Enlarged 4D flip-up 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 Pro?

The SIHOO B100 Pro is cheaper to start: $259.99 versus $995 for the Vitra ID Soft at the brand stores (Oct 2026).