Stanford - Sunglasses for Men from Quiksilver. This product features: Extra Slim design, TR4066 injected frame, Soft megol interchangeable nose pads - (3 different sizes available with each frame, S/M/L), Interchangeable temples patented system (1 extra pair of temples included with each frame) - US Patent US8192017B2, Distortion free shatter resistant polycarbonate lenses and a composition of Sunglasses.