The Carve Ivy Polarized Lens Polycarbonate and Metal Frame Sunglasses are an exceptional pair of sunglasses. They have a 3-barrel stainless steel hinge and a polycarbonate/metal frame for excellent durability. They are a modern twist on a classic pair of sunglasses and not only look great but also offer 100% UV protection. They are great for protecting your eyes in the sun and are finished with metal Carve branding for a smart finish.