Flying Fisherman Fowey Sunglasses are always the classic look. The action angler sunglasses have AcuTint polarized TAC lenses that are optically clear resist fogging and shrinking. AcuTint lens coloring system enhances color contrast, without distorting natural colors. Polarized Triacetate lenses are impact and scratch resistant, lightweight and durable. Complete protection from the sun's harmful rays with 100% UVA and UVB. The matte crystal azure frame has copper lenses. Also, a limited one year warranty.