ERGONOMIC SUPPORT: Ventilated curved back, lumbar support, and breathable mesh for comfort and productivity ADJUSTABLE FEATURES: Full swivel seat, modernized height adjustable foot ring, and flip-up arms for personalized comfort TILT FUNCTIONALITY: Tilt lever with lock-in position and tilt tension control for optimal relaxation and control VERSATILE USE: Suitable for high standing desks, sit-to-stand desks, bar height tables, and drafting tables. PRODUCT MEASUREMENTS: Overall Size: 27"W x 27"D x 42-49.5"H; Seat Size: 20"W x 19"D x 21.5-29"H; Back Size: 17-17.75"W x 21"H; Arm Size: 30.75-38.5"H from floor; 6.5"H from seat; Foot Ring Size: 20" Diameter