Sizing Chart The following is a sizing chart. This is to be used as a reference, but to properly fit a helmet it is important that you try it on. If you are not able to try it on prior to purchasing product, it is important that you do so upon receiving the helmet. Dealers are not able to exchange used helmets. Fit is very important for both safety and enjoyment of your helmet. HELMET SIZING CONVERSION CHART Auto & Motorcycle ADULT SIZE CENTIMETERS INCH'S XS 54cm 21 1/4" S 56cm 22" MED 58cm 22 7/8" LG 60cm 23 5/8" XL 62cm 24 3/8" XXL 63cm 24 3/4" WARNING!!! AUTO RACING IS A HAZARDOUS SPORT. NO WARRANTY IS MADE OR IMPLIED REGARDING ANY RACING SAFETY PRODUCT SOLD BY ART'S RACEMART TO PROTECT USERS FROM INJURY OR DEATH. USER ASSUMES ALL RISKS. ----------------------------------------------------------- phone 660 465-2069 Fax 660 465-2045