Alera Wrigley Series High Performance Mid-back Synchro-tilt Task Chair, Supports 275 Lb, 17.91" To 21.88" Seat Height, Black

Designed to last in the busy office with smart ergonomic features for optimal comfort. Synchro-tilt mechanism allows back to recline in a 2-to-1 ratio to the seat to help keep your feet on the ground even when leaning back. Waterfall seat edge reduces pressure at the back of knees. Impact-resistant molded plastic shell. Padded slant T-arms are height- and width-adjustable. Durable fabric upholstery is tested for longevity and resists fading. Five-star base with casters for easy mobility.