Lightweight and Durable: Tough yet deft, these sunglasses stay put and maintain clarity during high-action training or competition. • MAX Optics provide precise clarity from all angles • Lightweight, durable nylon frame • Sport wrap, 8-base frame offers maximum coverage • Durable, high tension hinges • Anti-fog ventilation holes in the frame circulate air • Ventilated rubber nose bridge reduces fogging • Frame accommodates interchange lenses for any light condition • Easily add RX with optical clip-in