Office Star ProGrid vs SIHOO M59AS

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

SIHOO

SIHOO M59AS

$449.99

$130.01

lower starting price for SIHOO M59AS than Office Star ProGrid at the brand stores

Differences at a glance

Office Star ProGridSIHOO M59AS

Price: $580 – $650$449.99
Seat height: 19.5–23 in (50–58 cm)46.5–56.5 cm
Seat depth: 19.5” D; Seat Travel: 3.75”17.13 in (≈ 43.5 cm)
Recline: 2-to-1 synchro tilt control with adjustable tilt tensionRecline up to 126°
Arms: Height adjustable arms; Arms Max Inside: 19”; Arms to Floor Min: 25.25”; Arms to Seat Min: 6.5”3D coordinated flip-up armrests (flip up and down, left and right, forward and backward)
Lumbar support: Breathable ProGrid® back with built-in lumbar support; Ratchet back height adjustmentDynamic lumbar support in a dual-section backrest

Which is cheaper, the Office Star ProGrid or the SIHOO M59AS?

The SIHOO M59AS is cheaper to start: $449.99 versus $580 for the Office Star ProGrid at the brand stores (Sep 2026).