Flying Fisherman Cayo Sunglasses are polarized, optically clear, resist fogging, and shrinking. Polarized Triacetate lenses are impact and scratch resistant. The action angler sunglasses have AcuTint polarized lens system that enhances color contrast, without distorting natural colors. Cayo has 100% UVA and UVB protection along with being lightweight and durable. The matte black frame has smoke-blue mirror lenses. Also, a limited one year warranty.