Switch Lynx Polarized Mirrored Interchangeable Lens Sunglasses Nylon frame Shatter proof Polycarbonite lens Mirrored polarized Polarized primary lens is a great tint for day to day wear, blocks 100%UV(ABC) and is shatterproof. Includes: spare lenses, lens pod, and microfiber cleaning pouch Magnetic interchange system makes lens changes quick and easy while still holding your lenses securely. Polarized secondary low light rose amber lenses also block 100%UV(ABC) and are virtually shatterproof for safety. Full frame design looks great for casual wear but packs features for sports.