Giro Advantage 2 Aero Cycling Helmet - Roc Loc 5Ideal for cycling, this ultra-vented and comfortable Advantage 2 Aero Cycling Helmet from Giro™ will become an essential part of your gear.
Roc Loc® 5 fit system provides an unmatched level of comfort, stability, adjustability and weight savings. In-mold Composite Reinforcement fuses the outer shell with the impact-absorbing EPS liner. Polycarbonate shell. 5 vents keeps you cool through internal channels. Wind tunnel and competition-proven design.