Ergonomic Chair Weight Capacity 450 lb Material Fabric Seat Height Range 17 in to 22 in Color Black Cushion Memory Foam Triple Layer Seat Width 21 1/2 in Seat Depth 19 in Seat Tilt Backward 10 Degrees Seat Tilt Forward -3 Degrees Back Height 15 1/2 in Back Width 19 in Base Reinforced Nylon Base Back Tilt Backward 80 Degrees Back Tilt Forward 105 Degrees For Workbench Ht. Yes Number of Casters 5 Number of Glides 0 Foot Support N No Standards ANSI/BIFMA