Office Chair, Adjustable Arms Yes, Overall Width 23 in, Overall Depth 30 in, Maximum Seat Height 21 in, Maximum Overall Height 47 1/2 in, Seat Color Black, Frame Color Black, Seat Thickness Not Applicable, Back Color Black, Seat Depth 20 3/4 in, Seat Width 22 in, Seat Material Polyester, Back Material Polyester, Frame Material Steel, Number of Arms 2, Weight Capacity 500 lb, Tilt Configuration Freely Locking Tilt, Series Alera XL, Style Classification Executive, Minimum Seat Height 17 1/2 in