The classy square aviator polarized bifocal sunglasses are the perfect combination of pilot aviator polarized sunglasses with sun readers. The reader portions on the bottom of lenses are not so noticeable, so people can not tell that you're wearing bifocal readers. Convenient bifocal eyewear allows you to read your GPS, maps, books, or restaurant menus without switching your glasses. Imagine wearing these on your next beach vacation or lounging by the pool. Like all our polarized sunglasses, they are equipped with high quality TAC (Tri Acetate Cellulose) polarized lenses. With superior visual and polarization clarity, they are also hard coated to resist scratching and block out 100% of all harmful UV rays up to 400 nanometers. Polarized lenses filter out glare from shiny objects such as chrome, mirrors, and water. Preferred by avid fishermen, polarized lens Sunglasses filter out the glare on the surface of lakes and oceans, and allows them to actually see beneath the water. While driving, polarized sunglasses can enhance and sharpen vision. They are also great to wear while driving in the rain. The high nickel metal frames are lightweight, durable and very comfortable to wear all day. Fits Medium to Large Head sizes. Unisex style for Men and Women.