Features1Ventilation design, scientific and reasonable hole design, ventilation and cooling effect is more reasonable. 2Streamline design, effectively reduce the wind resistance. 3High strength design. High density EPS foam, which can reduce shock damage. Colorful PC shell which is not easy to fade and have good impact resistance. 4Helmet with a night light, ride safer at night. 5Equipped with magnetic suction goggles, give you a better riding experience.SpecificationFeatures:Ventilation design, scientific and reasonable hole design, ventilation and cooling effect is more reasonable.Streamline design, effectively reduce 80% of the wind resistance.High strength design. High density EPS foam, which can reduce shock damage. Colorful PC shell which is not easy to fade and have good impact resistance.Helmet with a night light, ride safer at night.Equipped with magnetic suction goggles, give you a better riding experience.Specification:Material: EPC & PCWeight: 484g/17.1ozInner lining: silk and cotton comfortable inner cushionHole: 7pcsSize (L): 54-61cm/21.3-24inchPackage List:1 x Bike Helmet with light1 x GogglesPackage List