The Big & Tall All-Mesh Task Chair is great for use in personal workspaces or conference rooms. Featuring suspension mesh on the seat and back cushions for extra breathability, the high-back design provides a roomy and comfortable chair. The cable controlled height and tilt-lock mechanism with tilt tension knob combined with adjustable lumbar support allows the user to customize this chair to their individual comfort level. Seat height is adjustable from 19 ½ - 23 ¼”H to suit a variety of users. Adjustable padded armrests are also included for a comfortable, ergonomic support if desired. The sturdy, 29” chrome metal base is mobile on heavy-duty, dual-wheel casters (wheels) for easy movement across the workspace. Rated up to 450 lbs.