Sihoo
Doro C300
$279.99Cheaper
Best Office Chairs · head-to-head
A sourced, side-by-side comparison. Doro C300 is cheaper at $279.99. Every spec and price links to its source.
Sihoo
$279.99Cheaper
X-Chair
$729
The X1 Flex Mesh Office Chair wins 1 of the 1 specs we compare head to head; the other wins 0. The Doro C300 is the cheaper at $279.99. Get the X1 Flex Mesh Office Chair for the stronger spec sheet, the Doro C300 to spend less.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | $279.99 | $729 |
| Brand | Sihoo | X-Chair |
| Released | — | — |
| Back type | mesh | mesh |
| Seat material | mesh with foam cushion base | mesh fabric |
| Adjustable lumbar | Yes | Yes |
| Recline lock | Yes | Yes |
| Armrests | 4D | 4D |
| Max weight (lb) | 330 | 275 |
| Warranty years | 3 | 5 |
| Release year | — | — |
Sources — Doro C300: sihoooffice.com (verified 2026-06-15). X1 Flex Mesh Office Chair: xchair.com (verified 2026-06-15).
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Two whitelisted testers (Tom's Guide, TechRadar) reviewed the exact Doro C300 after weeks of hands-on use; both recommend it as a comfortable, high-looking all-mesh chair at a mid-range price. Both flag armrests that slide out of place too easily. RTINGS, Wirecutter and PCMag published nothing on this exact model; the Pro/Pro V2/S300 variants (TechRadar has a separate Pro V2 review) were excluded. (2 sourced reviews, 2 lab-tested.)
Praised: All-day comfort over long work sessions; High-end, futuristic all-mesh design that looks good from every angle; Breathable mesh with good airflow.
Flagged: Armrests move/knock out of place too easily horizontally; Lumbar support height is not adjustable (fixed until you recline); Comfort depends on user height; short max height not ideal for taller users.
No sourced tester review yet.