Bolle Women's Grace Sunglasses, Shiny Plum Frame, True Neutral Smoke Lens Light yet offer good shock resistance With a visible light transmission of 16 percent , they are ideal for sunny environments 8 base. Offers better periphery vision Hydrophobic Coating: similar to a wax Coating on a ca Anti-fog Coating: eliminates condensation inside the lens Anti-Fog and Polarized Sport Sunglass Polycarbonate Lenses made from premium grade resin, 20 x more impact resistant than glass, 3 x lighter Oleophobic/hydrophobic lens treatment repels dirt, grease and water spots Frames made from the finest B88 Nylon - exceedingly strong, yet lightweight and flexible Offers 100-percent UVA and UVB protection