Activ® A-96 Chairs, Black, 275 lbs. CapacityFlexibly adjusts to support your back as you move in your seat while working Allows airflow to your back to keep you cool and comfortable Feels soft and comfortable, not rigid, against your back Mesh contoured shaped back Black fabric on seat Fixed armrests Tilt feature with lockout Tension adjustment Chrome base and gas cylinder Carpet casters Back is 19 1 2" high and 18" wide Pneumatic seat height adjustment between 17 1 2" and 20 1 2" Seat is 19 1