SIHOO M57 vs Knoll Life Chair
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$1,627.01
lower starting price for SIHOO M57 than Knoll Life Chair at the brand stores
Differences at a glance
Sources
- Sihoo M57 Netz Bürostuhl – DE Sihoo Offizieller Shop ↗Checked Oct 9, 2026
- Life Ergonomic Dimensions (Knoll, MillerKnoll library PDF linked from millerknoll.com Life Chair page) ↗Checked Sep 29, 2026
- SIHOO M57 Ergonomic Mesh Office Chair – Official US Sihoo Store ↗Checked Oct 9, 2026
- Life Work Chair Product Detail (Knoll cut sheet, 2020) ↗Checked Sep 29, 2026
- Knoll Office Seating Price List (April 2026) (price) ↗Checked Sep 29, 2026
SIHOO M57Knoll Life Chair
- Price
- $319.99From $1,947
- Seat height
- 46–55 cm (≈ 18.1-21.7 in)16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
- Seat depth
- 18.11 in (≈ 46 cm)15–19 in (38-48 cm)
- Recline
- Reclines up to 126°Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
- Arms
- 3D coordinated armrests (up and down, left and right, forward and backward)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
- Headrest adjusts vertically up to 3.9 inches and rotates 45 degreesOptional headrest measures 9"W x 6" - 9"H
- Lumbar support
- Dual-adjustable lumbar support (vertical and horizontal)Lumbar 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
Questions
Which is cheaper, the SIHOO M57 or the Knoll Life Chair?
The SIHOO M57 is cheaper to start: $319.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).
Which has a headrest?
Both: the SIHOO M57 as standard and the Knoll Life Chair as an option.
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- Knoll Life Chair vs Herman Miller Aeron Arms: Arm Height from Floor 23.25" - 32.75" on Knoll Life Chair; Arm height 7.5–11.5 in on Herman Miller Aeron.