Vitra ID Trim vs SIHOO Doro C300 Ultra V2

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

Vitra

Vitra ID Trim

From $1,045

SIHOO

SIHOO Doro C300 Ultra V2

$679.99 – $689.99

2 years

longer warranty on Vitra ID Trim than SIHOO Doro C300 Ultra V2 (official terms)

Differences at a glance

Vitra ID TrimSIHOO Doro C300 Ultra V2

Price: From $1,045$679.99 – $689.99
Seat height: 400–520 mm (15¾″–20½″), measured with 64 kg load; 450 mm (17¾″) fixed seat height47.5–55.5 cm (≈ 18.7-21.9 in)
Seat depth: 400–450 mm; 380 mm16.9–18.5 in (≈ 43-47 cm)
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.Recline Angles 105°, 120°, 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″)8D Bionic Armrests (up, down, forward, back, rotate, or tilt)
Headrest: No headrest on ID Trim; the height-adjustable leather headrest is on ID Trim LUltra-wide 3D headrest, adjusts in three directions
Lumbar support: Sandwich construction with integrated lumbar support; optional height-adjustable lumbar cushionDomino™ Sacral-Lumbar Support 2.0: moves up or down, 3 support levels
Warranty: 5 years (Vitra Inc. Limited Warranty, sales via the Vitra online shop)3 years (covers manufacturing defects)

Which is cheaper, the Vitra ID Trim or the SIHOO Doro C300 Ultra V2?

The SIHOO Doro C300 Ultra V2 is cheaper to start: $679.99 versus $1,045 for the Vitra ID Trim at the brand stores (Oct 2026).

Which has a headrest?

Only the SIHOO Doro C300 Ultra V2 (as standard); the Vitra ID Trim does not offer one.