Lorell High-Performance Ergonomic Multifunction Chair, Black

Contoured seat and back with built-in lumbar support! Lumbar feature supports your lower back and enhances the natural curve of your spine. 1-touch seat-height adjustment, seat-glide mechanism, 360 deg. swivel, tilt, tilt tension and tilt lock. With the seat-glide mechanism, seat cushion travels forward and back, and then locks into position. 5-star base rolls easily on five 2in dual-wheel casters. Weight capacity tested to support up to 250 lb.