Features:^^●ECE weight standard 1650±50G^^● Ingredients: ABS+PC+ polyester fiber^^●The material is characterized by its special resistance to mechanical damage and high temperature and low temperature resistance.^^●There are detachable cheek pads and helmet lining, the air duct provides good ventilation, and there is a hot air outlet on the back of the helmet.^^●This helmet comes with exposed windproof transparent lenses, which can be opened and closed to increase good windproof and warmth.^^●The product has DOT and ECE 22.06 certification;