The Waterloo Drafting Chair is perfect for designers, architects, lab workers or employees where a seated position at eye level with a standing client is desired. It features a host of ergonomic features for all day and long-term comfort. The 3" thick padded seat is upholstered in black fabric and has a waterfall edge to promote healthy leg bloodflow. The flexible mesh back rest is tall and supportive, while the adjustable height arms and chrome adjustable footring allow users to dial in their ideal position. This modern task stool also features adjustable lumbar support, a 2-to1 synchro-tilt mechanism, an adjustable height, swivel seat and a heavy duty metal base with carpet casters for easy mobility on almost any surface. Supports up to 400 lbs.