FlexiSpot Soutien Ergonomic Office Chair (C5) vs Knoll Life Chair

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

FlexiSpot Soutien Ergonomic Office Chair (C5)

FlexiSpot

FlexiSpot Soutien Ergonomic Office Chair (C5)

$249.99 – $279.99

VS
Knoll Life Chair

Knoll

Knoll Life Chair

From $1,947

$1,697.01

lower starting price for FlexiSpot Soutien Ergonomic Office Chair (C5) than Knoll Life Chair at the brand stores

Differences at a glance

FlexiSpot Soutien Ergonomic Office Chair (C5)Knoll Life Chair
Price
$249.99 – $279.99From $1,947
Seat height
17.9–20.9 in16.5–21.75 in (42-55 cm); 17" – 22.25"; 17.25–22.5 in (44-57 cm); 15.5" – 19.25"
Seat depth
18.7 in15–19 in (38-48 cm)
Recline
95–115°Angle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms
2DArms 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
2DOptional headrest measures 9"W x 6" - 9"H
Lumbar support
2DLumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"
Warranty
5 yearsStructural components: 12 Years; Upholstery, textiles, leathers, finishes: 3 Years

Questions

Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the Knoll Life Chair?

The FlexiSpot Soutien Ergonomic Office Chair (C5) is cheaper to start: $249.99 versus $1,947 for the Knoll Life Chair at the brand stores (Oct 2026).

Which has a headrest?

Both: the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard and the Knoll Life Chair as an option.

FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →Knoll Life Chair: specs, reviews, where to buy →

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