[MATERIAL]:ALUMINUM MAGNESIUM METAL ALLOY make frame strong and light. The Sunglasses are only 30g, you can hardly feel them on your face, but they are unbreakable.
[OCCASION]:Best for Motorcycle, Cycling Bicycle, Driving, Running, Surfing, Fishing, Racing, Skiing, Climbing, Trekking Or Other Outdoor Activities Enthusiasts.
[AFTER-SALES SERVICE]:If you receive damaged or wrong items please contact us and attach some pictures about your products and packages we will double check it for you if it really has something wrong We offer free flexible return and exchange or you can get a FULL REFUND.