Giro Aries Spherical HelmetThe Aries Spherical provides advanced ventilation in a sleek road helmet profile. It incorporates Spherical Technology powered by Mips, which uses a ball and socket design to rotate the outer liner around the inner liner during impacts. This system helps redirect energy away from the brain while removing hard plastic components from direct contact against the rider skin. The AURA II Reinforcement Arch supports massive Wind Tunnel vents and deep