The polarized 1.0mm lenses are comparable to the thickness you would find on much higher priced sports eyewear. They help reduce glare caused by reflected light to improve vision and comfort. The Chippewa sunglasses'full wrap frame design provides full side coverage to block more light and increase visibility, making the perfect for sports like fishing, biking, and golfing. Made from the same Grilamid material commonly used in military and medical applications, the sunglasses are lightweight, extremely flexible, and heat and UV400 resistant. Smoke lenses are ideal for bright sunlight and produce the most realistic color reproduction. Brown lenses increase contrast and depth perception, ideal for partly cloudy condition to bright sunlight. And copper lenses are best suited for cloudy condition to low light. The Chippewa sunglasses include a molded custom hard case for storage and a custom Prym1 Camo microfiber pouch which can be used for cleaning as well as storage. The Chippewa sunglasses for men and women block 100% of the harmful UVA and UVB rays and meet or exceed all U.S. ANSI standards. The polarized 1.0mm lenses are comparable to the thickness you would find on much higher priced sports eyewear. They help reduce glare caused by reflected light to improve vision and comfort. The Chippewa sunglasses'full wrap frame design provides full side coverage to block more light and increase visibility, making the perfect for sports like fishing, biking, and golfing. Made from the same Grilamid material commonly used in military and medical applications, the sunglasses are lightweight, extremely flexible, and heat and UV400 resistant. Smoke lenses are ideal for bright sunlight and produce the most realistic color reproduction. Brown lenses increase contrast and depth perception, ideal for partly cloudy condition to bright sunlight. And copper lenses are best suited for cloudy condition to low light. The Chippewa sunglasses include a molded custom hard case for storage and a custom Prym1 Camo microfiber pouch which can be used for cleaning as well as storage. The Chippewa sunglasses for men and women block 100% of the harmful UVA and UVB rays and meet or exceed all U.S. ANSI standards.