SymbolLife Ajustable BMX/Skate / Scooter Helmet Ultimate Cycle/Bike / Skate Helmet Keep your head protected in this Critical Cycles helmet from biking, skateboarding, long boarding, inline skating (roller blading) and roller skating SIZES: S: for head Size: about 55-57cm/21.65-22.44in M: for head Size: about 58-60cm/22.83-23.62in L: for head Size: about 61-63cm/24.02-24.8in Lower Cut Shell gives Improved Comfort and Fit; Black Straps with Buckle and Separators Conforms to EN1078, CE and CPSC Standards Available in 3 sizes--S, M, L. PLEASE--check the size of the helmet before order,SymbolLife Ajustable BMX / Skate / Scooter Helmet Ultimate Cycle / Bike / Skate Helmet