Shell Shell made of TRI-fiber composite that allows to get a lighter shell but, at the same time, a more protective. The outer shell, made of tricarboco fiber, a mix of kevlar, carbon and fiberglass with different weights/breaking loads linked up, loads, linked up with aramid resins ensures a lighter, harder more safety and impact resistant shell. To satisfy even the most demanding and professional riders, SKY HAWK is made in 2 different shells: M and L. Protective Polystyrene Internal polystyrene is made of 2 different sizes (M & L) to obtain the best ergonomics with different thickness. This characteristic allows a gradual and progressive absorption of the impact force generated by an impact. Although most of the energy due to an impact is absorbed by the outer protective shell due to its deformation, the role of polystyrene is decisive for the absorption of residual energy. Ventilation The air intakes are designed to increase internal comfort, the air flow is channeled into the inner shell through 4 large front openings protected by solid metal meshes. The internal polystyrene protection and comfort liners have been optimized to work in symbiosis with the large air intakes. Lining Inner liner and cheek pads are removable, washable and replaceable. They are in precious bielastic fabric with specific fibers that offer the following characteristics: Rapid flow of moisture from the water Maintaining optimal temperature Light, soft and breathable fabric Retention System The retention system used is the ”D-RING” in light alloy. Peak The peak has an elongated, protective profile and it’s easily adjustable to multiple positions without using tools. The screws are made of metal. Note Please note that as long as nothing else is written in the article description, all helmets that have a visor as standard will be delivered with a clear one, even if it is shown differently.