Norwood Commercial Furniture's Breathable Mesh Office Chair keeps you cool and comfortable as you work. The seat and back are constructed from ultra-durable, suspended mesh that allows for continuous airflow and prevents moisture build-up as you sit. Features include easy-to-use triple paddle controls that adjust the height of the seat and height and angle of the backrest. A tilt-tension knob lets you adjust how easily your chair reclines. Contoured armrests adjust up and down. Rolls easily on nylon casters. Supports up to 300 pounds.