Top quality PU leather on front and back Metal frame with cold-cured foam padding for maximum comfort and durability Standard mechanism with rocking function Pillow set included 3D adjustable armrests 2.5 inch casters Class 4 gas lift Recommended comfort rangeHeight: 160cm - 195cm; Weight: 60kg - 115kg; BMI: Not to exceed 32 Durable steel frameAKRacing hand-welded metal frame with anti-corrosive coating is built for strength and comfort and warranted to last at least 10 years. Premium quality automotive-grade PU leather upholsteryThe chair features premium quality automotive grade PU leather upholstery and comes in 6 attractive color options: solid black, deep blue, lavender, bright white, red and green to match any set up. High-density cold-cured foam fillingCold cured foam provides superior support and keeps it shape for years. Ergonomic racing-style seatThe ergonomic racing-style seat provides upper legs support and comfort for long gaming or work sessions. Class 4 gasliftClass 4 ga