The Kask Protone helmet for cyclists is specifically designed to fit every kind of head. It also allows freedom of movement for the cyclist. As well as being highly safe, the Kask Protone also ensures enhanced aerodynamics and great ventilation, always keeping the cyclist\'s head cool and letting sweat evaporate quickly. The adjustment system allows you to adjust both vertically and horizontally.Weighing just 215 grams, the Kask Protone helmet has one of the fastest heat dissipation coefficients on the market, compared to any other ventilated helmet. Thanks to its ventilation holes moisture and heat dissipate quickly. In addition, the upper part is reinforced with an internal structure that increases the protection.MIT Technology: applied to all KASK cycling helmets, guarantees a higher safety and a complete protection thanks to the polycarbonate layer that covers the shell on the top, on the base ring and on the back. Three-Dimensional 3D Dry Padding: This road helmet features a special multi-layered internal padding that provides maximum comfort and performance. The padded material is 5 mm thick and manages to keep the humidity from the head, expelling it towards the outer layer of the helmet. The ventilation holes reduce the contact surface between the head and the padding by 70% compared to standard helmet designs.