Office Star ProGrid vs SIHOO B300 Pro

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

Office Star ProGrid

Office Star

Office Star ProGrid

$580 – $650

VS
SIHOO B300 Pro

SIHOO

SIHOO B300 Pro

$329.99 – $379.99

$250.01

lower starting price for SIHOO B300 Pro than Office Star ProGrid at the brand stores

Office Star ProGridSIHOO B300 Pro
Price
$580 – $650$329.99 – $379.99
Seat height
19.5–23 in (50–58 cm)46.8–55.3 cm
Seat depth
19.5” D; Seat Travel: 3.75”16.5–18.5 in (≈ 42-47 cm)
Recline
2-to-1 synchro tilt control with adjustable tilt tensionThree lockable recline angles: 105°, 120°, 135°
Arms
Height adjustable arms; Arms Max Inside: 19”; Arms to Floor Min: 25.25”; Arms to Seat Min: 6.5”6D All-Around Armrests (rotate, adjust, flip up)
Lumbar support
Breathable ProGrid® back with built-in lumbar support; Ratchet back height adjustment4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment

Questions

Which is cheaper, the Office Star ProGrid or the SIHOO B300 Pro?

The SIHOO B300 Pro is cheaper to start: $329.99 versus $580 for the Office Star ProGrid at the brand stores (Sep 2026).

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