Flying Fisherman Drift Sunglasses are flared on the bottom for maximum peripheral coverage. The action angler sunglasses have AcuTint polarized lens system that enhances color contrast, without distorting natural colors. The polycarbonate frames include super comfort, non-slip nose and temple pads for all day comfort. Polarized Triacetate lenses are impact and scratch resistant, lightweight and durable. Complete protection from the suns rays with 100% UVA and UVB. The matte black frame has copper lenses. Also, a limited one year warranty.