The Sihoo Doro C300 Pro V2 is one of the most interesting office chairs we've tested lately - and not just because its name is an absolute mouthful to say. This futuristic-looking seat is jam-packed with more comfort and adjustability features than you'll know what to do with. And right now, the Sihoo Doro C300 Pro V2 has dropped to $410 (was $500) direct from the maker when you use code PRIME20.
UK readers can also get the discount, with the ergonomic office chair now £410 (was £460) from Sihoo UK using code PD20. That's a better price than you'll find on either Amazon.com or Amazon.co.uk, where the chair is also discounted.
Having tested a number of Sihoo chairs, to me, the C300 Pro V2 is the clearest expression yet of what the brand does well. It's a chair built around the idea that support shouldn't be static, and the thoughtful engineering here backs that up. In our review, we called this one "a highly adjustable and robust ergonomic office throne designed from the rear up to provide all-day comfort."
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This is the chair we described as being built for Goldilocks - the people who want to tinker and fine-tune and dial in every aspect of the sitting experience to get everything 'just right'. It feels like it has a thousand moving parts for customizing your comfort levels.
And it works incredibly well. In our review, after putting the Doro C300 Pro V2 through its paces, we were "genuinely impressed by how comfortable the spaceship-like chair felt, even on long days."
The headline feature is the DynaCore system, which coordinates the backrest, lumbar support, headrest, and armrests to move in sync as you shift and recline — so the chair is constantly adapting rather than locking you into a fixed position.
On top of that, the SyncroFlex backrest molds to your spine when you sit down and tracks your recline path, while the Self-Adaptive Dynamic Lumbar Support 2.0 offers three fine-tuning positions ranging from a natural S-curve fit to full sacrum support.
The 8D bionic armrests are a highlight too — they adjust in eight directions, including 360° rotation and tilt, so whether you're typing at a desk or leaning back with a controller, your arms stay properly supported.
The ultra-wide 3D headrest has been expanded by 28% over the previous version for better neck coverage. Recline locks at 105°, 120°, and 135°, the seat depth adjusts by 1.6", and the chair supports up to 330 lbs. It carries BIFMA, SGS, and TÜV certifications, and comes with a three-year warranty, free shipping, and a 30-day return window.
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