SIHOO Doro S300 vs Herman Miller Sayl

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

Herman Miller

Herman Miller Sayl

$935 – $1,580

9 years

longer warranty on Herman Miller Sayl than SIHOO Doro S300 (official terms)

Differences at a glance

SIHOO Doro S300Herman Miller Sayl

Price: $999.99$935 – $1,580
Seat height: 47 – 55.5 cm (18.50 – 21.85 in)16–20.5 in standard; 15–19 in low; 16.5–22 in extended
Seat depth: 40 – 47 cm (15.75 – 18.50 in)16.5 in fixed; 16–18 in adjustable
Load capacity: 330 lb (≈ 150 kg)350 lb (159 kg)
Recline: Recline Angles: 100°, 110°, 130°Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optional
Arms: 6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms
Lumbar support: Dual dynamic lumbar support; angle 90°-105° fine-tuned with the gas liftPostureFit Sacral Support Standard; Lumbar Support Optional
Warranty: 3 years12-year, 3-shift

From 0 SIHOO Doro S300 and 23 Herman Miller Sayl user reviews, most mentioned first. Green is liked, orange is a caution.

Which is cheaper, the SIHOO Doro S300 or the Herman Miller Sayl?

The Herman Miller Sayl is cheaper to start: $935 versus $999.99 for the SIHOO Doro S300 at the brand stores (Oct 2026).

Which has a higher weight capacity?

The Herman Miller Sayl, rated for 350 lb versus 330 lb for the SIHOO Doro S300.

What do owners mention most?

Breathability for the SIHOO Doro S300, and comfort for the Herman Miller Sayl, based on review summaries.