FlexiSpot Soutien Ergonomic Office Chair (C5) vs SIHOO M56C
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
- Soutien Ergonomic Office Chair C5 | Flexispot ↗Checked Oct 17, 2026
- Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion – Official US Sihoo Store ↗Checked Oct 13, 2026
FlexiSpot Soutien Ergonomic Office Chair (C5)SIHOO M56C
- Price
- $249.99 – $279.99$184.99
- Seat depth
- 18.7 in17.1 in (≈ 43.4 cm)
- Load capacity
- 300 lb300 lb (≈ 136 kg)
- Recline
- 95–115°Maximum tilt angle of 125° (reclining lock with 1 position)
- Arms
- 2DArmrests adjustable up and down
- Headrest
- 2DHeadrest moves up and down and tilts
- Lumbar support
- 2DUltra-wide dynamic lumbar support: a flexible elastic plate that moves with the backrest (no manual adjustment listed)
- Warranty
- 5 years3 years
Questions
Which is cheaper, the FlexiSpot Soutien Ergonomic Office Chair (C5) or the SIHOO M56C?
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 FlexiSpot Soutien Ergonomic Office Chair (C5) as standard and the SIHOO M56C as standard.
FlexiSpot Soutien Ergonomic Office Chair (C5): specs, reviews, where to buy →SIHOO M56C: specs, reviews, where to buy →
