Costa Del Mar Loreto 580P Polarized SunglassesCosta Del Mar Loreto 580P Polarized Sunglasses are made for fishermen! These amazing aviator style sunglasses are built to be lightweight and stylish. The metal frames are corrosion resistant. Costa has incorporated polarized 580P lenses that deliver amazing clarity, bold, beautiful colors and reduce eye strain, all while blocking the sun's harmful rays. Costa uses an integral hinge on the Loretos that will keep returning to the same position time