KEY FEATURES – Polarized lenses reduce glare, impact-resistant TAC lenses protect your eyes from flying objects, lightweight, durable, and comfortable Grilamid frames, non-slip nose and temple pads, full wrap design for maximum coverage, block 100% of harmful UVA and UVB rays, and include a molded custom hard case for storage plus a Prym1 Camo microfiber pouch for cleaning and storage PURIVEX LENS COATING - KastKing PuriVex lens coating repels water, oil, salt, and dirt while resisting scratches. This protective layer keeps lenses cleaner, clearer, and more durable, even in tough marine and outdoor environments SUPERIOR LENSES – 1.0mm polarized lenses are comparable to the thickness found on much higher-priced sports eyewear. KastKing TAC (Triacetate) lenses pass a double decentering test to ensure there is no optical distortion which can cause eye strain and headaches. KastKing Polarized sunglasses help reduce glare caused by reflected light to improve vision and comfort PREMIUM FRAMES – Made from the same Grilamid material commonly used in military and medical applications, KastKing sunglass frames are lightweight, extremely flexible, and heat and UV resistant. Grilamid frames are well known for their astounding strength, lightweight, comfort, shape integrity, and impact resistance. This virtually indestructible, ultra-lightweight, and malleable material translates to an amazingly comfortable fit, while tacky nose pads help prevent slipping BASE LENS COLOR and UV PROTECTION – Smoke lenses are ideal for bright sunlight with the most realistic color reproduction and work well in medium light and partial shade. Brown lenses increase contrast and depth perception, ideal for partly cloudy to sunny conditions. Copper lenses are best suited for moderate to low light. KastKing sunglasses block 100% of the harmful UVA and UVB rays and meet or exceed all U.S. ANSI standards The KastKing Osage design allows you to enjoy the great outdoors in style and comfort. The wrap design provides full side coverage which makes this style a perfect design for driving and active sports such as biking, running, boating, fishing, and golfing. Osage features a lightweight Grilamid frame and injected nose and temple pads for extended comfort during long periods of use. KastKing frames are built to endure years of active use, they are ultra-lightweight, extremely flexible, resistant to heat, resistant to UV rays, and possess excellent elasticity to retain their shape. KastKing polarized lenses are manufactured with high quality Japanese and German raw materials to produce a lens with excellent optical quality that is ultra-lightweight, tough, and scratch resistant. Each KastKing lens is tested to ensure it meets the highest standards of visual clarity with no visual distortion which can cause eye strain and headaches. Polarization helps to reduce glare caused by reflected light and helps to improve vision and further reduce eye strain. All KastKing sunglass lenses block 100% of the harmful UVA and UVB rays. Available lens colors include smoke, copper, and brown. Smoke lenses are ideal for bright sunlight and produce the most realistic color reproduction, but also work well in medium light and partial shade. Brown lenses increase contrast and depth perception, ideal for partly cloudy to sunny conditions. Copper lenses were best suited for moderate to low light. Select from a variety of stylish mirror lens finishes and frame colors to suit your eyewear taste. Your sunglasses also include a molded hard case and a microfiber pouch that can be used for cleaning as well as storage.