CARVE Wolf Pak Polarized Sunglasses 100% UV PROTECTION: Carves lenses are sure to keep your eyes healthy and help reduce squinting to better prevent crows feet wrinkles 5-BARREL STAINLESS STEEL HINGES: No weak point in the metal hinges to keep your sunglasses more durable and help them to last longer CATEGORY 3 LIGHT TRANSMISSION: Carves category 3 allows only 8%-18% light transmission. Great for strong brightness and light reflected off water or snow POLARIZED: Reduces glare off of water, snow, and other reflective surfaces to reduce squinting for a more comfortable wear CARVE