Hon Instinct® Series Low Back Swivel/Synchro-Tilt Chair Instinct® Series Low Back Swivel/Synchro-Tilt Chair with Adjustable Arms Contemporary style, high-performance ergonomic seating series. “Memory foam” in seat cushions remembers its shape once body pressure is released. Upholstery has been treated for stain-resistant protection. Black steel frame and base. Meets or exceeds ANSI/BIFMA standards. HON® limited lifetime warranty. Pneumatic seat height adjustment, back height adjustment, seat glide mechanism, and tilt tension. Variable synchro-tilt control adjusts back recline, forward angle control. Soft urethane-padded arms are height- and width-adjustable. Seat: 20-1/2w x 18-1/2d. Back: 17-1/2w x 18-7/8 to 21-7/8h. Overall height 39" to 42-7/8". Shpg. wt. 63 lbs. (Can not ship UPS.) Casters supplied with this chair are not suitable for all floor types. Alternative casters are available to meet your specific needs. 52% Acrylic/48% Polyester Upholstery Burgundy Fabric