Xs/Small: 52-55cm; M/L/XL: 55-60cm;
Interior Pads Allow For Adjusting the size of the helmet.

The original Pro-Tec classic helmet: the OLD SCHOOL. original 70's style profile with vintage Pro-Tec logo on sides of helmet. High density ABS shell for durability. EPS liner for impact protection. Generous interior fit pads (2 sets) for ample air flow and the killer Pro-Tec fit. Rivet and sewn retention straps for maximum strength and durability. Complete with box, owner's manual and warranty. Certified to CPSC 1203 US, ASTM 1492, and EURO EN1078 standards.