Duramont Ergonomic Office Chair vs SIHOO B300 Pro

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

VS
SIHOO B300 Pro

SIHOO

SIHOO B300 Pro

$329.99 – $379.99

2 years

longer warranty on Duramont Ergonomic Office Chair than SIHOO B300 Pro (official terms)

Duramont Ergonomic Office ChairSIHOO B300 Pro
Price
$379.99$329.99 – $379.99
Load capacity
330 lb (150 kg)330 lb (≈ 150 kg)
Recline
Recline with tilt tension adjustmentThree lockable recline angles: 105°, 120°, 135°
Arms
Height-adjustable armrests6D All-Around Armrests (rotate, adjust, flip up)
Headrest
Adjustable headrest; moves up and down3D Ultra-Wide Headrest
Lumbar support
Adjustable lumbar support (Dynamic lumbar support)4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustment
Warranty
5-year warranty3-Year Free Warranty

Questions

Which is cheaper, the Duramont Ergonomic Office Chair or the SIHOO B300 Pro?

The SIHOO B300 Pro is cheaper to start: $329.99 versus $379.99 for the Duramont Ergonomic Office Chair at the brand stores (Sep 2026).

Which has a headrest?

Both: the Duramont Ergonomic Office Chair as standard and the SIHOO B300 Pro as standard.

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