Alera Wrigley Series 24/7 High Performance High-Back Multifunction Task Chair, Supports 300 Lb, 17.24" To 20.55" Seat, Black

Ergonomic design combines with high performance functions for all-day comfort. Multi-function mechanism allows back angle adjustment relative to seat, adjustable and forward tilt. Waterfall seat edge reduces pressure at the back of knees. Padded slant T-arms are height- and width-adjustable. Impact-resistant molded plastic shell. Five-star base with casters for easy mobility.