Don't let heavy sunglasses pull you down, make sure you have the Wiley X WX Gravity Sunglasses. The frames are made of heavy-duty nylon that is extremely durable, but also light and comfortable enough for easy all day wear. Polarized polycarbonate lenses are shatterproof and block 100% of harmful UV rays, so you stay protected from every angle. The patented removable Facial Cavity Seal is made from soft, breathable open-cell foam and keeps wind, dust, debris, and peripheral light away from your eyes. These sunglasses are certified to ANSI Z87.1 High Impact and Optical Performance standards, so you can feel secure in knowing your eyes are protected. Imported.