BIG & TALL SEATING Total comfort for the big and tall. Reinforced, sturdy construction for longer life. Ultra-thick 3-1/2" foam cushioning. Durable nylon blend fabric upholstery. Extra wide and high 21-5/8"W x 19-5/8"D seat and 19-5/8"W x 29-1/8"H back. Pneumatic 18-1/8" to 22-3/4" height adjustment, trigger button movable armrests for custom positioning, and tilt-lock mechanism will help increase overall productivity. T-Arms are height adjustable. Sturdy aluminum five blade base with dual wheel swivel casters for added comfort. 450 lb. weight capacity. The best all-around value. Easy assembly.