Executive High-back Chair with antimicrobial seat cradles you during a hard day at work with a breathable mesh back. Ergonomic mesh back supports the natural curvature of your back for less strain during work at the computer or meetings at your desk. Thick seat cushion is upholstered in healthcare-grade, antimicrobial vinyl so the chair lasts longer & it's easier to clean. Multifunction control adjusts seat & back angles independently with two levers for infinite locking within a fixed range. For more individualized comfort, arms adjust in height & width. High-back chair also swivels 360 degrees & tilts with the pivot point located directly above the center of the chair base. Five-star nylon base is equipped with smooth-rolling casters for easily moving the chair where needed. Weight capacity is 275 lb. High-back chair is available in black frame only & meets the CA117 fire-retardant standard.