The Sihoo Doro C300 Ultra V2 is the pinnacle of adaptive seating—a chair that doesn't just support you, but moves with you. Engineered with a premium Zero‑Gravity Space Chassis and an aerospace‑grade aluminum alloy backrest frame, the Ultra V2 represents the most advanced iteration of Sihoo's full‑body adaptive ergonomic platform.
Whether you're working, gaming, or unwinding, the C300 Ultra V2 delivers continuous, next‑level comfort that adapts to every shift in your posture—so you stay supported without constantly readjusting.
The Zero‑Gravity Space Chassis – Redefining Recline
At the heart of the Ultra V2 lies the Zero‑Gravity Space Chassis—an advanced recline and suspension system exclusively designed for this flagship model.
Full‑Body Adaptive Support – DynaCore System
The Ultra V2 is supercharged by the innovative DynaCore full‑body support system, which seamlessly adapts to every movement you make.
- Self‑Adaptive Dynamic Lumbar Support 2.0 – automatically tracks your body movement and stays aligned with your spine curve through every shift
- SyncroFlex Lumbar‑Back Gliding Technology – dual‑rail, dual‑spring structure that follows the sacral curve dynamically as you recline
- 4‑Zone Synchronized Tracking – coordinated support across head, back, waist, and arms that moves together with your body
- 8D Bionic Armrests – fully adjustable in 8 dimensions, including synchronized movement during recline
- Ultra‑Wide 3D Mechanical Headrest – 28% larger support area with height, rotation, and depth adjustment
