X-Chair X-Tech vs SIHOO Doro S300

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

X-Chair

X-Chair X-Tech

$1,845

SIHOO

SIHOO Doro S300

$999.99

$845.01

lower starting price for SIHOO Doro S300 than X-Chair X-Tech at the brand stores

Differences at a glance

X-Chair X-TechSIHOO Doro S300

Price: $1,845$999.99
Seat height: 17.5–20.88 in47 – 55.5 cm (18.50 – 21.85 in)
Seat depth: 16.5–19.25 in40 – 47 cm (15.75 – 18.50 in)
Load capacity: 275 lb (125 kg)330 lb (≈ 150 kg)
Recline: SciFloat Infinite Recline + Tilt Lock and TensionRecline Angles: 100°, 110°, 130°
Arms: 4D arms (up, down, side-to-side, front-to-back); optional FS 360 rotational armrests; Armrest Height 6in - 8.75in6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
Lumbar support: Dynamic Variable Lumbar (DVL) on a height adjustable backrestDual dynamic lumbar support; angle 90°-105° fine-tuned with the gas lift

Which is cheaper, the X-Chair X-Tech or the SIHOO Doro S300?

The SIHOO Doro S300 is cheaper to start: $999.99 versus $1,845 for the X-Chair X-Tech at the brand stores (Oct 2026).

Which has a higher weight capacity?

The SIHOO Doro S300, rated for 330 lb versus 275 lb for the X-Chair X-Tech.

What do owners mention most?

Breathability for the X-Chair X-Tech, and breathability for the SIHOO Doro S300, based on review summaries.