SIHOO Doro S300 vs Steelcase Series 1

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

SIHOO

SIHOO Doro S300

$999.99

Steelcase

Steelcase Series 1

$549 – $750

$450.99

lower starting price for Steelcase Series 1 than SIHOO Doro S300 at the brand stores

Differences at a glance

SIHOO Doro S300Steelcase Series 1

Price: $999.99$549 – $750
Seat height: 47 – 55.5 cm (18.50 – 21.85 in)16.5–21.5 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: 40 – 47 cm (15.75 – 18.50 in)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: Recline Angles: 100°, 110°, 130°Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full recline
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)4D arms (standard), height-adjustable arms or armless
Headrest: Soft, integrated headrest; upper backrest adjusts in 5 levelsOptional headrest; adjusts 3.25" vertically
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftAdjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)
Warranty: 3 yearsLimited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor

From 0 SIHOO Doro S300 and 5 Steelcase Series 1 user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro S300 or the Steelcase Series 1?

The Steelcase Series 1 is cheaper to start: $549 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro S300 as standard and the Steelcase Series 1 as an option.

What do owners mention most?

Breathability for the SIHOO Doro S300, and adjustability for the Steelcase Series 1, based on review summaries.