SIHOO Doro S100 vs FlexiSpot OC3
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
$230
lower starting price for FlexiSpot OC3 than SIHOO Doro S100 at the brand stores
Differences at a glance
Sources
- Doro S100 Ergonomic Chair | Dual Lumbar Support & 4D Armrests – UK Sihoo official Shop ↗Checked Oct 8, 2026
- Essential Office chair (OC3) - FlexiSpot official store (SPEC tab) ↗Checked Sep 29, 2026
- Sihoo Doro S100 Ergonomic Office Chair with Dual Dynamic Lumbar Support – Official US Sihoo Store ↗Checked Oct 8, 2026
SIHOO Doro S100FlexiSpot OC3
- Price
- $499.99 – $509.99$269.99
- Seat height
- 46–54 cm18.5–22.4 in (47-57 cm)
- Seat depth
- 15.15–17.12 in (≈ 38.5-43.5 cm)15.9 in (40 cm)
- Load capacity
- 330 lb (≈ 150 kg)300 lb (136 kg)
- Recline
- Reclines up to 135°90–130°
- Arms
- 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°2D; 3.9" height adjustment
- Headrest
- Integrated headrest adjusts up or down; upper backrest in five levels2D headrest; 2.1" height and 30° rotation
- Lumbar support
- Dual dynamic lumbar support1.9" Height Adjustable
- Warranty
- 3 years5 Years
Questions
Which is cheaper, the SIHOO Doro S100 or the FlexiSpot OC3?
The FlexiSpot OC3 is cheaper to start: $269.99 versus $499.99 for the SIHOO Doro S100 at the brand stores (Oct 2026).
Which has a headrest?
Both: the SIHOO Doro S100 as standard and the FlexiSpot OC3 as standard.
Swap in a similar chair
Compare SIHOO Doro S100 with
Compare FlexiSpot OC3 with
More comparisons
- SIHOO Doro S100 vs HBADA E3 Pro (2026 Edition) Arms: 4D coordinated armrests on SIHOO Doro S100; Armrest Height: 28.3"–34.4" on HBADA E3 Pro (2026 Edition).
- SIHOO Doro S100 vs SIHOO M18 Arms: 4D coordinated armrests on SIHOO Doro S100; Adjustable armrests on SIHOO M18.
- SIHOO Doro S100 vs SIHOO Doro C300 Pro V2 Arms: 4D coordinated armrests on SIHOO Doro S100; 8D Bionic Armrests on SIHOO Doro C300 Pro V2.
- SIHOO Doro S100 vs SIHOO Doro C300 Pro Arms: 4D coordinated armrests on SIHOO Doro S100; 6D coordinated armrests on SIHOO Doro C300 Pro.
- FlexiSpot OC3 vs SIHOO M18 Arms: 2D on FlexiSpot OC3; Adjustable armrests on SIHOO M18.
- FlexiSpot OC3 vs SIHOO B100 Pro Headrest: 2D headrest on FlexiSpot OC3; Wide 3D adjustable headrest on SIHOO B100 Pro.




