Our new Featherweight line of sunglasses weigh one-half an ounce and are the lightest sunglasses that Prato has ever designed. The initial impression of the frames is that they look cheap because they are so thin. However, when people put them on they fall in love with the fit and feel of the revolutionary design. The thin design also creates tremendous flexibility making the sunglasses very durable for the long haul. The classic eye shapes of the two designs look great in any venue, casual or formal and they fit comfortably on a wide range of face shapes and sizes. The lenses are made from optical grade polycarbonate and block 100% of harmful UV rays.