These unisex square sunglasses feature GrilamidA ;TR-90 nylon frames for quality fit, flexibility, and long-lasting durability in all environmental conditions. A ;and polarized lenses for that filter selectively. Visually interfering light waves known as "glare." Elimination of direct and ambient glare results in superior visual clarity, definition, color transmissions and optical comfort. Suncloud polarized optics bring stunning cutting edge optics to the world of sunglasses at an exciting and refreshing value. 100% polarized lenses in the finest optical quality materials. For those who need help with the fine details, we offer Suncloud polarized readers. Unprecedented frame fit, value and polarized lenses. Horizontally reflected light waves known as "glare", resulting in superior visual clarity, definition, color transmission and comfort. Through advanced lens technology, Suncloud polarized lenses filter and eliminate the visually interfering. Polycarbonate material provides a great mix of impact resistance, optics. Lightweight so you can comfortably wear them all day for your sports performance needs. All Suncloud lenses provide 100% protection from the sun&';s harmful UVA and UVB ray