|| Whether you're exploring Machu Picchu or following the surf at Tierra del Fuego, these polarized sunglasses offer worry free protection for your eyes. Polarized lenses reduce 99% of visible glare from water, snow, sand and pavement for increased visual acuity and decreased eye strain. Polycarbonate lenses are scratch resistant and impact resistant for long-lasting wear. Lightweight yet tough nylon frames conform to various face shapes and stay firmly in place. Protective case included.