Cocoons Photochromic Polarized Fitover M Slim Line C402GPC Polarized Rectangular Sunglasses Imported Plastic frame Plastic lens Polarized 100% UV protection coating Lens width: 61 millimeters Lens height: 43 millimeters Bridge: 14 millimeters Arm: 130 millimeters Durable ballistic nylon frame Flex2fit adjustable temples for comfortable customer fit Polarized uv400 scratch resistant photochromic lens Case included Lenses are prescription ready (rx-able) Polarized UV400 Scratch Resistant Photochromic Lens Designed to fit comfortably and securely over prescription eyewear frames. Medium fits over prescription frames measuring up to 5 1/4w x 1 1/2h (133 mm x 39 mm). Durable nylon frame with Flex2Fit adjustable temples for a comfortable fit Protective Case & Microfiber Lens Cloth included Manufacture Lifetime Warranty