Costa Del Mar Cut 580P Polarized SunglassesCosta Del Mar Cut 580P Polarized Sunglasses look as good as they perform! These stylish shades are perfect for your next adventure on the water or a long road trip! Designed to improve your vision while on the water, Costa Cut 580P sunglasses are constructed of rugged TR 90 nylon and feature 580P polarized lenses. These lenses deliver amazing clarity and bold, beautiful colors. They also reduce eye strain and protect you from the sun's harmful rays!