"PREMIERE COASTAL GEAR – ACTION ANGLER SERIES Built for hard-core fishermen, the Drop Back features a vented frame to maximize airflow and reduce fogging, and a soft touch finish for stylish comfort. The Drop Back's light weight frame also has recessed nose pads, and co-injected temple padding for a non-slip fit, so they stay put when the action strikes. Scratch resistant polarized lenses sharpen optics and reduce eye fatigue. Polarized Triacetate Lenses are impact resistant, lightweight and durable. Flying Fisherman 's AcuTint lens coloring system offer crystal clear polarized optics, making it easier to see beneath the surface of the water, to spot fish and other structures. This a unisex design that beautifully frames both men's and women's faces. They are sure to be the perfect addition to your on-the-water accessories. THE ULTIMATE UV BLOCKER Flying Fisherman 's AcuTint lens coloring system eliminates glare and adds contrast without distorting natural colors, reducing eye strain and sharpening visual perception. AcuTint helps you play all day, whether you're running a trail, hiking a mountain, out on the boat, deep sea fishing, floating a river, playing volleyball on the beach or any other summer trips you have planned.