SIHOO M57 Ergonomic Mesh Office Chair
The M57 is the rare sub-$200 chair that includes the adjustments that actually matter for long days: height/depth-shifting (2D) lumbar, 3D armrests, and a headrest. It is not a Steelcase — the foam is thin and the warranty shorter — but for the money the ergonomic checklist is unusually complete. Temper expectations: research shows the chair helps posture, but movement and breaks do more than any single product.
2D LUMBAR · 3D ARMS · MESH · 330LB
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