The 4008/S is a base 6 mask with lenses in polycarbonate that is the best material for impact protection. The lens offer includes also the Red HD Sport lenses. The structure is made of a very flexible plastic, typical of sport active eyewear, that enchance comfort, stability and lightness. The Ultem material is used for flexible temples and reduce thickness. Megol rubber material is used both in temple tips and nose pads, in order to increase gripping and comfort. The click-stop hinge allows more stability during the performance.