SIHOO Doro S100 vs Knoll Life Chair

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

SIHOO

SIHOO Doro S100

$499.99 – $509.99

Knoll

Knoll Life Chair

From $1,947

$1,447.01

lower starting price for SIHOO Doro S100 than Knoll Life Chair at the brand stores

Differences at a glance

SIHOO Doro S100Knoll Life Chair

Price: $499.99 – $509.99From $1,947
Seat height: 46–54 cm16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)15–19 in (38-48 cm)
Recline: Reclines up to 135°Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°Arms available in fixed height, height-adjustable or high performance; high performance arms adjust 2.5" in armpad width (1.25" per side) and 3" armpad fore/aft movement; Arm Height from Floor 23.25" - 32.75" (height adjustable / high performance); 26.24" – 31.25" (fixed arm)
Headrest: Integrated headrest adjusts up or down; upper backrest in five levelsOptional headrest measures 9"W x 6" - 9"H
Lumbar support: Dual dynamic lumbar supportLumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"
Warranty: 3 yearsStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

Which is cheaper, the SIHOO Doro S100 or the Knoll Life Chair?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the Knoll Life Chair as an option.