∞- TAC POLARIZED AND 9 LAYER’S COATING LENS: The Polarized Sunglasses are Against Ultraviolet Radiation, which Offer Protection Against Excessive Exposure to Light, Including its Visible and Invisible Components. All the Lenses of Polarized Sunglasses are 100% UV 400 Protection Coating, Reduce Eye Burden and Fatigue ∞-OUTDOOR SPORT： Lightweight Style Fit Comfortable on Face, Enable for Many Diversified Outdoor Activities, like for Motorcycle and Cycling Bicycle, Driving, Running, Fishing, Racing, Skiing, Climbing, Trekking, Jogging, etc ∞-Aluminum Magnesium Sunglasses: Fit Varies Diverse Head Sizes with Spring Loaded Hinged Legs and Adjustable Silicone Nose Pads, which Adjust to Your Face Perfectly, and Sunglasses Are Safer with High Strength Anti Breakage TAC Lens. ∞-DIMENSION: Lens width:66MM, Bridge Width:15MM, Arm length:130MM ∞-30 DAYS' GUARANTEED: 100% Risk Free to Try in Case of any Broken Problem Happening; Just Contact the Seller Without any Hesitation to Solve the Problem until Your Satisfaction.