One of the most recognizable helmet styles of all time - the Classic Full Cut Water has you covered Comes equipped with S.T.I.F.S fit system which provides adjustability to fit various head sizes and hard protection around the ears with cut outs for ventilation and water drainage High density injection molded PE shell Dual density waterproof EVA liner 17 open vents for ventilation and drainage Full surround interior Stay Tight Interior Fit System Hard shell ear coverage Certification: CE EN 1385 Water Sport Safety Standard