Giro Amare Helmet - Women's LEFTnotruc(Suggested Use: Womens-specific, Recreational MTB, Touring, Urban/Commute, Cruiser/Casual,500) Featherweight webbing with Slimline buckle Construction: In-mold - EPS liner, polycarbonate shell Fit System: Roc Loc 5 Ventilation: 26 Wind Tunnel vents with internal channeling