Conjure High-Back Office Chair delivers customized comfort to get you through the workday. Built-in ratchet back & lumbar support adjust in height to better position the high-strength, breathable mesh back according to your needs. Arms softly padded with polyurethane adjust in height & width. Seat slider function adjusts the depth of the cushioned fabric seat so you can move it forward or back & then lock it into position. Other functions include knee-tilt mechanism with three-position lock, seat-height adjustment, tilt tension adjustment & 360-degree swivel. Reinforced nylon base is equipped with nylon casters for easy mobility. Weight capacity is 275 lb.