Sleek and stylish, this inviting chair will provide years of compliments and comfort. Finely crafted, it comes complete with width adjustable padded arm rests, pneumatic height adjustment from 18 in. to 22 in. and a 24 in. diameter reinforced nylon base with hooded casters. The extra thick seat cushion is 20 in. x 19 in. x 3 in, thick and has a spring adjusted tilt mechanism. The vented mesh backrest is 19 in. wide, rises 21 in. above the seat, and has a spring adjusted rocking mechanism that can be locked into the upright position. A padded lumbar support can be adjusted up and down for comfort.