Pleather cover on front and back Wide frame with cold-cured foam for maximum comfort and durability Flat seat Advanced mechanism with lockable tilt positions Pillow set included 4D adjustable armrests 2.5 inch casters Heavy-duty gaslift Manufacturer recommended comfort rangeMax Height: 170 cm - 200 cm; Weight: 77 kg - 177 kg; BMI: Not to exceed 45 Extra large size steel frameHand-welded and heavy duty, this wide frame is built for strength and comfort. Wide and flat seatThe wide and flat seat is designed for extra room for larger body types or anyone who needs more space to relax. High-density cold-cured foam fillingCold cured foam provides superior support and keeps it shape for years. Extra strong high tensile aluminum baseAKRacing custom-made advanced high tensile aluminum base boasts 20 times the strength of a standard steel base. Custom heavy duty gas-lift systemWeight-capacity-tested up to 181 kg, it enables easy height adjustment of the seat for optimal ergonomic support and bac