Adjustable Armrests: 3D Mechanism Type: Standard Mechanism Adjustable Tilt Angle: 3-18° Tilt Lock: Yes Tilt Angle Lock: No Recline angle: 180° Gas Lift Class: Class 4 gaslift Adjustable Back Angle: Yes Adjustable Lumbar Cushion: Yes Adjustable Headrest: Yes Meets/Exceeds ANSI/BIFMA Standards: Yes Manufacturer 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. Fabric upholstery with PU leather highlightsBreathable high-quality fabric seating area with colorful and stylish polyurethane leather highlights. High-density cold-cured foam fillingMolded cold-cured foam provides superior support and keeps it shape for years. Nylon composite 5-star base with 360° swivelHigh quality PU casters included for smooth and scratch-free movement on a variety of surfaces. Ergonomic racing-style seatThe ergonomi