Modern High-Back Executive Desk Chair is upholstered in soft and durable Smooth Black leather with contrasting seams and stylish mesh accents. The contoured lumbar provides exceptional support for the lower-back, while the armrest is softly padded which provide added hand, wrist, and forearm comfort. The waterfall seat edge is designed to lessen pressure on the back of the legs, and increase circulation, to reduce fatigue and increase working focus. The pneumatic adjustment lever will allow you to easily adjust the seat that suit your needs.