The Costa Del Mar Brine Sunglasses feature tortoise nylon coinjected frames and copper-colored 580 polycarbonate lenses for durability and comfortable wear. Designed for outdoor sports use, the lenses offer a hydrophobic coating to repel water, an oleophobic coating to repel oils and smudges and an antireflective coating for reduced glare. The polarized lenses block 100% of UVA and UVB rays.