Wear it for time trials and triathlons; Advantage 2 helmet is perfect for when every thousandth of a second counts
Roc Loc 5, the newest retention system from Giro, makes adjusting fit tension and vertical position easier and more comfortable than ever; loosen/tighten with a simple twist
Wind Tunnel™ ventilation with 5 active vents and internal exhaust channels thrust cool, fresh air over and around the head, while forcing out heat and stale air
In-mold technology bonds the helmet's tough outer microshell to the impact-absorbing expanded polystyrene liner, creating a light, cool and strong helmet