Navigate your way through the open waters with the Costa Del Mar Straits Sunglasses and its convenient semi-rimless design. These sporty specs boast a heavy-duty TR-90 nylon frame construction, along with integral hinges ensures that they will last you many years of use. 100% UV protection and 100% polarization for maximum protection on or off the water, as well as no reflected glare to reduce eye strain. Plastic lenses are lightweight, impact- and scratch-resistant, as well as prescription ready if needed. Crafted by hand, each pair of Costa sunglasses are backed by a vendor lifetime warranty. Imported.