Description:EPS foaming +PC sheet, built-in sweat absorption lining, nylon ribbon and PP material regulator, using one molding process, uniform force is not easy to break, effectively protect the safety of riders.The air vent can help the head sweat quickly dry, fresh and not stuffy, and reduce wind shade.Comfortable lining breathable suction, removable comfortable lining, convenient cleaning, keep the head fresh.Comfortable, gasket breathable hole, good sweat absorption ability, can be removed and cleaned, more hygienic, convenient and smooth, high quality buckle quick take off, no buckle. light, won't add burden to your head after long time wearingSpecification:Material: Nylon, EPSSize: 30x9x6.5cm/11.81x3.54x2.56inchPackage Includes:1 Piece Bike Helmet