This ultra-lightweight aerodynamic polycarbonate VALK Mountain Bike Helmet utilises a premium EPS liner to provide excellent impact protection. It also offers maximum comfort with 22 cooling vents. The focus on comfort continues with no less than 19 individual generously padded sections of sweat-wicking inner lining, which are easily removable for washing. An ultra-tough visor provides protection from sunlight and shields from low-hanging foliage. So, whatever your riding style this Australian approved design offers you a premium fit and serious protection. And, with a quick lock buckle and easy 360 Adjustment Dial you ll be on the go in no time!