PROTEC x Spitfire Low Pro Certified Helmet - RED

SIZING: XS/S: 51-54cm | S/M: 53-57cm | L/XL: 57-60cm | XL/XXL: 60-63cm | PRO TIP: We strongly recommend sizing up if your measurements fall at the upper end of a size range. Example: If you measure 54 cm, choose size S/M. Based on years of customer feedback, the larger size typically offers a better, more comfortable fit.