Whitaker New Rider Generation Helmet Black Silver Stay cool, however intense the ride, with the Whitaker New Generation Helmet. Featuring a breathable coolmax lining, your head will stay cool and dry whether you\\\'re training at home or out competition. The lining is also removable and washable, perfect for keeping your hat hygienic. The smooth matte effect outer is contrasted by the silver sparkling vents, combining glamour with practicality. The inner shell is crafted with an EPS foam, specifically designed for shock absorption and protection. The NRG helmet features a Dial-To-Fit mechanism, perfect for getting your exact fit. Material & Specification EPS foam inner Tested to SEI ASTM F1163-15 & VG1 standard Size Guideline Size Measurement S 52-56cm M 57-60cm L 58-62cm