SIHOO Doro C300 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 C300

$559.99 – $569.99

Knoll

Knoll Life Chair

From $1,947

$1,387.01

lower starting price for SIHOO Doro C300 than Knoll Life Chair at the brand stores

Differences at a glance

SIHOO Doro C300Knoll Life Chair

Price: $559.99 – $569.99From $1,947
Seat height: 47–55 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: 43.5–46 cm15–19 in (38-48 cm)
Recline: Recline Angles: 110°, 120°, 130°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)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: 3D Mechanical HeadrestOptional headrest measures 9"W x 6" - 9"H
Lumbar support: Self-adaptive 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

From 1 SIHOO Doro C300 and 4 Knoll Life Chair user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro C300 or the Knoll Life Chair?

The SIHOO Doro C300 is cheaper to start: $559.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro C300 as standard and the Knoll Life Chair as an option.

What do owners mention most?

Adjustability for the SIHOO Doro C300, and design for the Knoll Life Chair, based on review summaries.