SIHOO M56C vs FlexiSpot Soutien Ergonomic Office Chair (C5)
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
2 years
longer warranty on FlexiSpot Soutien Ergonomic Office Chair (C5) than SIHOO M56C (official terms)
Differences at a glance
Sources
- Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion – Official US Sihoo Store ↗Checked Oct 13, 2026
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 2026
SIHOO M56CFlexiSpot Soutien Ergonomic Office Chair (C5)
- Price
- $184.99$249.99 – $279.99
- Seat depth
- 17.1 in (≈ 43.4 cm)18.7 in
- Load capacity
- 300 lb (≈ 136 kg)300 lb
- Recline
- Maximum tilt angle of 125° (reclining lock with 1 position)95–115°
- Arms
- Armrests adjustable up and down2D
- Headrest
- Headrest moves up and down and tilts2D
- Lumbar support
- Ultra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)2D
- Warranty
- 3 years5 years
Questions
Which is cheaper, the SIHOO M56C or the FlexiSpot Soutien Ergonomic Office Chair (C5)?
The SIHOO M56C is cheaper to start: $184.99 versus $249.99 for the FlexiSpot Soutien Ergonomic Office Chair (C5) at the brand stores (Oct 2026).
Which has a higher weight capacity?
Neither. Both are rated for 300 lb in their official specifications.
Which has a headrest?
Both: the SIHOO M56C as standard and the FlexiSpot Soutien Ergonomic Office Chair (C5) as standard.
SIHOO M56C: specs, reviews, where to buy →FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →







