RIVBOS Polarized Sports Sunglasse for Men Women, Glasses for Cycling Running Fishing Golf Baseball RBS092 Metal TAC POLARIZED LENS: 100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. UV 400 protected items are capable of blocking light rays as small as 400 nanometers. Restore true color, eliminate reflected light and scattered light. TAC lens includes 7 layers. The 1st layer is polarization layer. The 2nd and 3rd layers are adhesive layers to enable durability. The 4th and 5th layers are UV protection layers to absorb UV light. The 6th and 7th layers are shatterproof layers. AL-MG METAL ALLOY FRAME: The frame made of aluminum-magnesium metal alloy will be stronger and lighter.Its hardness is several times of traditional plastic , but weights only 25 g.Polycarbonate lens and Metal frames are impact, scratch resistant, durable and unbreakable.At the same time,the metal frame has a metallic luster,looked more fashion and valuable. ERGONOMIC DESIGN: Lightweight frame makes people barely feel a sense of weight when wearing. For the design of spring,the legs can be open outward, it makes the wearer barely feel a sense of oppression and the nose pad is adjustable. The design of legs and nose pad makes the sunglasses fit for any faces.The silicon covers of legs increase the friction and prevent the sunglasses from sliding down.The fashion and practical design is ideal for usage by cycling,driving, fishing or other activities. PRODUCTS DIMENSION:Lens height:41 mm (1.57 inches); lens width:67mm (2.63inches); leg length:135mm(5.24 inches); nose bridge:34 mm ( 1.18 inches); frame length:143 mm (5.71 inches). PACKAGE :Sunglasses *1, Case *1, Glasses Cloth*1, Pouch *1.,Extra nose pad*1,Screwdriver*1,Polarized test card*1,Instructions*1. LIFETIME BREAKAGE WARRANTY ON FRAME & LENS : Frames and lens are unbreakable for no risk purchasing. In case any broken problem happens, contact the seller of RIVBOS without hesitation to solve the problem until satisfaction. RIVBOS provides lifetime after sale service for all RIVBOS products.30 DAY MONEY BACK GUARANTEE- All RIVBOS customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try.