From Costa, the Fantail Polarized UVA/UVB Protection Rectangle Sunglasses feature:  co-molded nylon frames (a bit smaller, but akin to the classic styling of our Blackfin frames) 580P C-wall coated lenses are known for being lightweight, impact-and-scratch-resistant, and for outperforming every other lens in its class polarized lenses 100% UVA/UVB protection lens size: 5935 Made in USA with imported materials.