Breathe new life into your office, dorm or home office with this comfortable High Back Mesh Chair. The transparent mesh back allows air to circulate, keeping you cool no matter how high the pressure gets. The swivel seat is foam padded and has a waterfall front for leg comfort. Built-in lumbar support helps prevent back strain and muscle fatigue. Raise and lower the seat using the pneumatic seat height adjustment lever, conveniently located below the seat. The heavy-duty, nylon base with dual wheel casters makes it easy to roll across the floor. Whether you're studying, browsing or on a tight deadline, this stylish chair will keep you cool and comfortable throughout your busy day.Contemporary Office ChairHigh Back DesignFlexible Mesh BackBuilt-In Lumbar SupportTilt Lock Mechanism rocks/tilts the chair and locks in an upright positionTilt Tension Adjustment Knob adjusts the chair's backward tilt resistancePadded Green Mesh Upholstered SeatCA117 Fire Retardant FoamWaterfall Seat reduces pressure on your legsSwivel SeatPneumatic Seat Height AdjustmentNylon ArmsHeavy Duty Nylon BaseDual Wheel Casters