HJC ADWATT 1.5 Aero Helmet Unisex Adult, White, XL/XXL 58 63 CM

Tested in the wind tunnel. Aero helmets, as the word suggests, are more aerodynamic than traditional racing bike helmet, but with impaired ventilation performance In-mold construction is a method that consists of welding the EPS together with the polycarbonate outer shell for greater structural strength. This improves cyclist protection by providing a compact reinforcement and giving the product a perfect finish. Internal reinforcement structure.The helmets are reinforced with an internal structure built into the EPS, the frame not only keeps the helmet in one piece, but also makes it stronger and more durable to protect the head in case of a collision.