Black Mesh Ergonomic Drafting Chair With Height Adjustable Armrests400Lbs Ergonomic Drafting Chair with an oversized foot ring and height adjustable design delivers all day comfort at the desk, so you can work longer without fatigue. All day ergonomic support: Wider back with built in lumbar support and a 4. 5 inch molded foam seat cushion that resists deformation and recovers quickly for lasting comfort. Foot friendly design: A 24. 0 inch diameter foot ring provides a natural place to rest your feet, helping reduce