LORELL Sortie Multifunction High-Back Mesh Chair provides ergonomic comfort during long periods of sitting in office environments. Height-adjustable mesh back and lumbar provide cool, comfortable support right where you need it. Fabric-upholstered seat also adjusts in height and depth to accommodate people of most heights comfortably. Adjustable back tilt/tilt lock, seat tilt/tilt lock and tilt-tension allow you to customize settings to your personal preferences and lock them in for day-to-day convenience. Polyurethane-padded arms are also adjustable in height and width for added comfort. Five-star nylon base moves on 2" smooth-rolling hooded casters and features 360-degree swivel for better mobility. Chair has a weight capacity of 275lb.