Breathable mesh plus cushioned headrest Mesh material lets air circulate. The Professional Deluxe Matrex chair lets you stay cool - the airy material wont keep the heat in. The headrest, back and seat cushion all offer this comfortable feature! Headrest helps to relieve strain in the shoulder/neck area. This chair boasts a built-in headrest thats height- and depth-adjustable, thereby keeping your body aligned and in proper posture - even when resting your head. Adjustable lumbar cushioning supports your lower back and enhances the natural curve of your spine. 1-touch seat-height adjustment for proper posture. Tilt controls for optimal positioning. Height-adjustable arms with polyurethane pads help alleviate shoulder strain. Heavy metal footbase is polished in Gunmetal Gray for a sleek look. Meets or exceeds ANSI/BIFMA Performance Standards. This chair has met quality standards for safety and durability established by the American National Standards Institute (ANSI) and the Business and Institutional Furniture Manufacturers Association (BIFMA). Dual-wheel carpet casters for easy mobility. Easy assembly instructions included. Measures 55H x 27W x 27D. Backed by the manufacturers 15-year limited warranty.