This ergonomically designed mesh chair provides features to make you comfortable throughout your working day. The breathable mesh is made of a flexible material to provide exceptional comfort and support. The dense padded waterfall leather seat adds to the comfort of this chair. Features like the soft padded adjustable height arms and built-in lumbar support will allow you to gain the desired comfort level. Mid-Back Swivel Chair, Breathable Designer Mesh Back Material, 1.8 High Density Fire Resistant Foam Mesh Seat, Adjustable Lumbar Support, Dual Flip-Handle Paddle Multi-Function Controls, Locking Tilt Control Paddle Adjustment, Tension Control Knob, Knee Tilt Mechanism, Waterfall Seat Promotes Healthy Blood Flow, Paddle Adjustable Pneumatic Seat Height Adjustment, Push Button Height Adjustable Nylon Arms with Padded Armrests, Heavy Duty Nylon Base, Dual Wheel Casters, Black LeatherSoft Upholstery, LeatherSoft is leather and polyurethane for added Softness and Durability, CA117 Fire Retardant Foam.