UV400 PROTECTION - These foldable sunglasses are crafted from a TR90 frame, TAC lens, and styrdy temples. Polarized TAC Lens absorb UVA and UVB rays and filter and block glares to protecting your eyes against harmful UV damage. FOLDABLE TR90 ULTRA-LIGHT SUNGLASSES - Cyxus folding sunglasses for women are designed for easy portability and can be easily stored in luggage & bag. RETRO SQUARE EYEGLASSES FRAME - In addition to being used as sunglasses. TR90 ultra light sunglasses for women men are also suitable for prescription eyewear frames. These square sunglasses are great for a square face, a Long face, a diamond face, an oval face, a round face. HEALTHY FOR EYES - HD lens increases your natural visual clarity and reduces eye strain, enhances contrast, protecting your eyes effectivly. the foldable sunglasses men are the perfect choice for outdoor sports and activities, such as travel, driving, hiking, skiing, golf. LIFETIME WARRANTY - All Cyxus customers enjoy 30 days of free trial and a lifetime warranty guarantee and return or replace the product you are not satisfied with for any reason.