Gray Ergonomic Mesh Office Chair with Adjustable Headrest, Lumbar Support and 5-Star Base, 26.4 x 26.4 x 45.3-52.8 in

Features a breathable mesh backrest, adjustable headrest, integrated lumbar support, padded seat, height-adjustable armrests, pneumatic height control, tilt tension adjustment, tilt lock, and 360-degree swivel.

• Materials: Polyester mesh, polypropylene frame and components, polyurethane foam padding, chrome-plated steel gas lift, polished aluminum alloy base, and nylon/polyurethane dual-wheel casters.
• Colors: Gray/Silver/Black.
• Overall Dimensions: 26.4 W x 26.4 D x 45.3-52.8 H in.
• Seat Dimensions: 20.1 W x 19.7 D in; seat height: 17.7-21.7 in.
• Backrest Dimensions: 19.7 W x 22.8 H in.
• Headrest Dimensions: 12.6 W x 6.7 H in.
• Base Diameter: 26.4 in.
• Includes assembly hardware, tools, and instructions.