bat fox mtb helmet Size M Bicycle Helmet Men Women Molded Mountain Bike Ultralight casco bicicleta Mtb Cycling Helmets BRAND：BATFOX ■ MODEL NO.：JC006-242 ■ PRODUCT：Mountain Bike Helmets ■ MATERIAL：Shell PC+Inner EPS ■ TECHNOLOGY：In-Mold ■ COLOR：Black, orange, green, blue, white, Khaki ■ SIZE：M(54-57cm)L(58-62cm)Adjustable ■ INTERNAL SIZE：17*22cm ■ WEIGHT：380g ■ VENTS：14 ■ PACKAGE：PE bag. ■ CERTIFICATE：CPSC/EN1078