30 DAYS MONEY BACK GUARANTEE: Our sports sunglasses suitable for motorcycles, cycling, driving, running, fishing, racing, skiing and climbing,trekking or other outdoor activities. We promise customers enjoy 30 Day Money Back Guarantee. Customers can return the outdoor sunglasses or get refund in case the purchg is not satisfactory for any reason. MORE FEATURES: PC lens + TR frame make this sunglasses more durable, the lens is also easy to clean after get dirty. The air hole on the temples reduce the the wind resistance when you cycling, make you cycling without burden. COMFORTABLE & LIGHTWEIGHT: The anti-skid nose pad and silicone temple make the sunglasses fit more comfortable on the bridge of your nose and above the ears. Only weight 29g, great to wear for long periods of time. UV400 PROTECTION: These sunglasses blocks 100% harmful UVA & UVB Rays to protect your eye well when you are doing outdoor sports , such as golf, cycling, driving, fishing, skiing, running, tennis, racing etc. Fits both men and women. PHOTOCHROMIC SUNGLASSES: The lens will changes with the the intensity of the ultraviolet light, the stronger UV light , the darken lens. Once you get into the indoor, the lens will return to transparent status. UV400 protection coating, blocks 100% harmful UVA & UVB Rays to protect your eye well.

Lens Coating Description: UV Protection Coating. Item Package Quantity: 1. Style: Protection,safety,sports. Sport Type: Cycling. Size: One-size. Lens Color: Clear. Special Feature: Portable, Waterproof, Adjustable, UVProtection. Frame Material: Thermoplastic Rubber. Color: Black-red. Brand: ROCKBROS. Date First Available: June 11, 2020. Best Sellers Rank: #34,553 in Sports & Outdoors. Customer Reviews: 4.4 out of 5 stars 1,117 ratings 4.4 out of 5 stars. : B08B172YPS. Sport Type: ?Cycling. Size: ?one-size. Style: ?Protection,safety,sports. Part Number: ?10161. Manufacturer: ?ROCK BROS. Number of Items: ?1. Suggested Users: ?Unisex-Adult. Color: ?Black-red. Brand Name: ?ROCKBROS. Package Weight: ?0.19 Kilograms. Item Package Dimensions L x W x H: ?7.17 x 3.54 x 2.83 inches.