SIHOO B300 Pro vs Steelcase Series 1
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$219.01
lower starting price for SIHOO B300 Pro than Steelcase Series 1 at the brand stores
Differences at a glance
Sources
- Sihoo B300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 16, 2026
- Understanding and Specifying Steelcase Series 1 Work Chairs (Seating Specification Guide, February 2024) ↗Checked Sep 29, 2026
- Steelcase Series 1 cut sheet (Item #25-0000121 02/25) ↗Checked Sep 29, 2026
- Steelcase Series 1 product page (steelcase.com) ↗Checked Sep 29, 2026
- US Steelcase Store (price) ↗Checked Sep 29, 2026
SIHOO B300 ProSteelcase Series 1
- Price
- $329.99 – $379.99$549 – $750
- Seat height
- 46.8–55.3 cm16.5–21.5 in (41.9-54.6 cm); 14.75–17.75 in (37.5-45.1 cm); 17.25–22 in (43.8-55.9 cm)
- Seat depth
- 16.5–18.5 in (≈ 42-47 cm)15.5"D to 17.75"D (functional seat depth)
- Load capacity
- 330 lb (≈ 150 kg)400 lb (181.4 kg); 300 lb (136.1 kg)
- Recline
- Three lockable recline angles: 105°, 120°, 135°Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full recline
- Arms
- 6D All-Around Armrests (rotate, adjust, flip up)4D arms (standard), height-adjustable arms or armless
- Headrest
- 3D Ultra-Wide HeadrestOptional headrest; adjusts 3.25" vertically
- Lumbar support
- 4D MicroFit Lumbar Support: 0.8" depth and 2" height adjustmentAdjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)
- Warranty
- 3-Year Free WarrantyLimited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor
Questions
Which is cheaper, the SIHOO B300 Pro or the Steelcase Series 1?
The SIHOO B300 Pro is cheaper to start: $329.99 versus $549 for the Steelcase Series 1 at the brand stores (Oct 2026).
Which has a headrest?
Both: the SIHOO B300 Pro as standard and the Steelcase Series 1 as an option.





