Inspired by the iconic motorcycle helmet produced by McHal Enterprises in the 1960s and 1970s, our Mach 02 helmet features the same sleek vintage styling as the original - but also incorporates the DOT safety standards of the present day. Best of all, its lightweight and low profile design means you don’t have to sacrifice style for safety. It's the best looking full face helmet on the market today. Color: OrangeSizes: XS, S, M, L (size chart below)Visor Face Shield: Clear x1Helmet Model: Mach 02 ApolloDOT FMVSS No. 218 CertifiedSize Chart: Size Inches CM Hat Size XS 20 3/4 - 21 1/8 53 - 54 6 5/8 - 6 3/4 S 21 1/2 - 21 7/8 55 - 56 6 7/8 - 7 M 22 1/4 - 22 5/8 57 - 58 7 1/8 - 7 1/4 L 23 - 23 1/2 59 - 60 7 3/8 - 7 1/2 Size Inches CM Hat Size XS 20 3/4 53 6 5/8 XS 21 1/8 54 6 3/4 S 21 1/2 55 6 7/8 S 21 7/8 56 7 M 22 1/4 57 7 1/8 M 22 5/8 58 7 1/4 L 23 59 7 3/8 L 23 1/2 60 7 1/2