Herman Miller Sayl vs SIHOO Doro S300

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

Herman Miller

Herman Miller Sayl

$935 – $1,580

SIHOO

SIHOO Doro S300

$999.99

9 years

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

Differences at a glance

Herman Miller SaylSIHOO Doro S300

Price: $935 – $1,580$999.99
Seat height: 16–20.5 in standard; 15–19 in low; 16.5–22 in extended47 – 55.5 cm (18.50 – 21.85 in)
Seat depth: 16.5 in fixed; 16–18 in adjustable40 – 47 cm (15.75 – 18.50 in)
Load capacity: 350 lb (159 kg)330 lb (≈ 150 kg)
Recline: Harmonic Tilt; Tilt Limiter standard, Tilt Limiter with Seat Angle optionalRecline Angles: 100°, 110°, 130°
Arms: Options: No Arms, Fixed Arms, Height Adjustable Arms, Fully Adjustable 4D Arms6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: PostureFit Sacral Support Standard; Lumbar Support OptionalDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift
Warranty: 12-year, 3-shift3 years

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

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

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?

Comfort for the Herman Miller Sayl, and breathability for the SIHOO Doro S300, based on review summaries.