Volt task stool offers black leather upholstery, comfort, function, and style and adapts to each user with simple comfort controls for added flexibility. Generous proportions and a contoured back deliver optimal comfort. Functions include 360-degree swivel and pneumatic seat-height adjustment from 22-7/8″ to 32-3/8″. The footring adjusts in height easily with a simple knob for the best position for your legs and feet. The five-star base includes 2-1/2″ dual-wheel, hooded casters for easy chair movement. The generously cushioned seat and distinctive, V-shaped back are covered in durable leather. Seat measures 19″ wide x 20″ deep. The back size is 16-1/2″ wide x 20″ high. Stool also features a plastic outer back, and frame is available in black only. Stool meets or exceeds applicable ANSI/BIFMA requirements.