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Sihoo ergonomic chairs by lumbar support: adjustable, self-adjusting and dual-adjustable
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items #ad Ten Sihoo ergonomic chairs grouped by how the lumbar support works, from lumbar you set by level to self-adjusting and two-way adjustable designs, plus two of our chair guides and OSHA's chair page. At ergocrew.com we compare the published specs ...
Sections
4
Lumbar you set
Self-adjusting lumbar
Two-way adjustable lumbar
Before you buy
Lumbar you set
Three chairs with set lumbar adjustment and 105°/120°/135° recline
Rated to 330 lb with 105°, 120° and 135° recline; Sihoo lists the 4D lumbar support as adjusting 0.8 in in depth and 2 in in height. Mesh back and seat, a 3D headrest, a 16.5–18.5 in seat depth range and a 3-year warranty. My pick if you want to set ...
Sihoo B300 Pro Ergonomic Office Chair | 4D Lumbar Support
Rated to 330 lb with 105°, 120° and 135° recline, and Domino 2.0 sacral-lumbar support that moves up or down with 3 support levels. 8D armrests, 1.6 in of seat depth adjustment (16.9–18.5 in) and a 3-year warranty. My pick if you want 8D armrests and...
Sihoo Doro C300 Pro V2 with Full Body Adaptive Support
Same 105°/120°/135° recline, 3-level Domino 2.0 lumbar and 8D armrests, with a 3D headrest and an aluminum alloy back frame. Rated to 330 lb, 20.5 in seat width, 16.9–18.5 in seat depth and a 3-year warranty; a footrest version is listed. My pick if ...
Sihoo Doro C300 Ultra V2 | Ergonomic Office Chair
Self-adjusting lumbar
Five chairs whose lumbar support moves with you, rated to 330 lb
Self-adaptive lumbar support that Sihoo says needs no manual adjustment, 4D armrests and a wide adjustable headrest. Mesh back and seat, rated to 330 lb, 3-year warranty. My pick if you would rather not set the lumbar by hand.
Sihoo Doro C300 Advanced Ergonomic Office Chair with Advanced Back Support
Dynamic lumbar support, 6D armrests and a headrest that moves up and down, back and forth, or rotates. Rated to 330 lb, 16.81–17.76 in seat depth, mesh back and seat, 3-year warranty. My pick if you want 6D armrests with self-adjusting lumbar.
Sihoo Doro C300 Pro Ergonomic Office Chair
Dual dynamic lumbar support with two wing-like pads, a backrest that adjusts in five levels and 6D armrests. Rated to 330 lb, 17.13–18.11 in seat depth, aluminum and mesh, 3-year warranty. My pick if you want two separate lumbar pads.
Sihoo Doro S300 Zero Gravity Ergonomic Office Chair Gravity-Defying
Dynamic lumbar support, 3D armrests that flip up, and a dual-jointed headrest that adjusts in height and angle. Rated to 330 lb, aluminum and mesh, 3-year warranty. My pick if you want armrests that flip up out of the way.
Sihoo M59AS Ergonomic Office Chair with Flip Up Arms and Mesh Back
Ultra-wide dynamic lumbar support with a dual-layer design, height-adjustable armrests and an adjustable headrest. Rated to 330 lb, 17.1 in seat depth, 20 in max hip width, 3-year warranty. My pick if you want self-adjusting lumbar with simple up-and...
Sihoo M56C Ergonomic Office Chair - Full Back Support with Cotton Seat Cushion
Two-way adjustable lumbar
Two chairs with dual-adjustable lumbar and 126° recline
Lumbar support adjusts vertically and horizontally, the recline goes up to 126°, and the armrests are 3D. The headrest adjusts up to 3.9 in in height and tilts 45°; rated to 330 lb with a 3-year warranty. My pick if you want hand-set lumbar plus 3D a...
Sihoo M57 Office Chair with Breathable Mesh and Lumbar Support
Dual-adjustable lumbar support (vertical and horizontal), up to 126° recline and height-adjustable armrests. The headrest moves 3.9 in up and down and pivots 45°; rated to 330 lb with a 3-year warranty. My pick if you want hand-set lumbar on a simple...
Sihoo M18 Ergonomic Office Chair with Soft Cushion and Lumbar Support
Before you buy
Two of our chair guides and OSHA's page on chairs
Our guide to where lumbar support should sit: sit fully back, set seat depth first, then match the lumbar curve to the inward curve of your lower back.
Where Should Lumbar Support Sit on an Office Chair?
Our explainer on what “ergonomic” means on a chair: a description, not a rating, so check whether seat height, seat depth, lumbar, recline and armrests cover your body and desk.
What Makes an Office Chair Ergonomic?
OSHA's guide to choosing and adjusting a computer workstation chair: backrest, seat, armrests and base.
Computer Workstations - Workstation Components - Chairs