The tsg bmx helmet this regular shaped halfshell lid became famous in 1999 when it protected skateboard superstar tony hawk from a serious injurywhile attempting a full loop we optimised the shape at the sides to provide enhanced freedom for your ears featured with 13 head cooling air vents brushed cotton insulation and exchangeable pads this is by far the best fitting most comfortable and safest skate helmet at this price level the shells are size specific and come with two sets of pads