Contoured Proform molded foam seating technology with built-in lumbar support for superior comfort. Upholstered in premium black fabric. Height adjustable arms for custom comfort. Pneumatic lift with tilt tension adjustment and lockout feature. Five-star black nylon base with casters for easy mobility. American Chiropractic Association endorsed office seating. Recommended Applications: Executive & Management, Seat/Back Color: Black, Arms Included: Yes, Arm Style: T-Arm.