Office Star ProGrid vs Knoll Life Chair

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

Office Star

Office Star ProGrid

$580 – $650

Knoll

Knoll Life Chair

From $1,947

$1,367

lower starting price for Office Star ProGrid than Knoll Life Chair at the brand stores

Differences at a glance

Office Star ProGridKnoll Life Chair

Price: $580 – $650From $1,947
Seat height: 19.5–23 in (50–58 cm)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: 19.5” D; Seat Travel: 3.75”15–19 in (38-48 cm)
Recline: 2-to-1 synchro tilt control with adjustable tilt tensionAngle Between Seat and Back 95° - 119°; Tilt Range of Back 24°
Arms: Height adjustable arms; Arms Max Inside: 19”; Arms to Floor Min: 25.25”; Arms to Seat Min: 6.5”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)
Lumbar support: Breathable ProGrid® back with built-in lumbar support; Ratchet back height adjustmentLumbar Support (Fixed) 7.5"; optional height adjustable lumbar (Exceeds 5.5" - 9.8"), 11.5" x 5.5"

Which is cheaper, the Office Star ProGrid or the Knoll Life Chair?

The Office Star ProGrid is cheaper to start: $580 versus $1,947 for the Knoll Life Chair at the brand stores (Sep 2026).

What do owners mention most?

Adjustability for the Office Star ProGrid, and design for the Knoll Life Chair, based on review summaries.