The Heavy executive office chair is designed to work comfortably and relaxed all day long, with its anatomical shape. Equipment Seat height adjustment with gas piston. High quality polyurethane. Anatomical shape for excellent user support. The “Synchro” mechanism allows the synchronized seat-back tilt with the possibility of stabilization in 4 positions. The mechanism has an “Anti-shock” system for smooth and controlled back restoration and an adjustment system for balanced reclining depending on the user’s weight. The Heavy steering wheel has polyurethane arms with 3D adjustment mechanism. Choice from a wide range of 1.5mm PVC leatherette, used in the automotive industry, with extremely high resistance to wear and moisture. Easy to clean and waterproof. Five-ray chrome base. 65mm large size nylon wheels suitable for any surface.