Giro Air Attack Shield Adult Road Cycling Helmet - Medium (55-59 cm), Black/Blue/Purple (2017)

The Air Attack Shield offers aerodynamic efficiency to help you win The sprint finish, with strong cooling power to keep you comfortable along The way. The magnetically fastened ZEISS optical shield provides wraparound eye protection with exceptional optical clarity, and it's easy to flip up or remove with one hand when appropriate. And with The enhanced airflow and exceptional fit of The Roc Loc Air system, you don't have to sacrifice comfort or cooling power to get The benefits of an aero helmet.