Movable headrest and mesh fabric for firm neck support and cool comfort Sliding headrest reduces neck pain. Raise or lower the soft, leather-covered headrest and move it forward or back to find the position thats perfect for you. Your neck and shoulders will stay relaxed longer, allowing you to accomplish more with less fatigue. Mesh backrest wont trap heat. The exclusive Matrex mesh fabric allows air to circulate freely to cool your body and leave you feeling refreshed, even after a long day at your desk. Lumbar support adjusts to cushion your lower back. The built-in lumbar support can be quickly moved to the height thats right for you to enhance the natural curve of your spine. Tilt controls for ideal positioning. With synchro tilt, your chair back reclines twice as much as the seat when you lean back, relieving pressure on your legs and dispersing some of your weight to the backrest to help you relax. Adjustable knee tilt allows you to lie back farther than with a conventional tilt chair, for improved circulation in your legs. Adjustable tilt tension lets you decide how much weight will be needed to recline your chair, so the chair responds instantly to your movements. The infinite locking mechanism lets you lock into any position you choose for greater flexibility. 1-touch seat-height adjustment for perfect posture. The pneumatic lift allows you to raise or lower the chair seat instantly to the height thats perfect for you. Experts advise that you sit with thighs and lower legs at a 90 angle and feet flat on the floor for maximum comfort and health. Contoured, leather-covered seat offers superior comfort! The plush, contoured seat will cradle your body and cushion pressure points to keep you comfortable hour after hour. The top-grain leather upholstery will add elegance to your office while delivering the soft, natural feel that only leather can. Adjustable arm height relieves shoulder strain. The padded armrests can be raised or lowered to the position that provides the greatest support for your neck, shoulders and upper torso to ease pain and strain. Dual-wheel casters for easy mobility. These oversized casters let you roll smoothly about your office, and the heavy-duty 5-star metal base helps prevent tipping. Plus, its durable for years of dependable service. Easy assembly instructions included. 55H x 27W x 27D. Backed by manufacturers 15-year limited warranty.