Bolle Sport Anaconda Sunglasses (Dark Tortoise/Polarized Sandstone Gun) Resin frame Polycarbonate lens Polarized 100% UV400 protection coating Fit - Medium/Large UVA/UVB Protection Bolle exceeds the industry standard with 100% 20.3 Poly carbonate Lenses Lenses 20 times more impact resistant than glass-and three times lighter. Rx8 Prescription Available