Polarized High Definition Impact Protection Lens: 100% UV400 protection, filters out 100% of UVA, UVB, UVC, and harmful blue light; eliminate reflected light and scattered light, make the scenery more clear and soft and protect eyes perfectly, provide clearer and more accurate vision Unbreakable, Lightweight & Comfortable Frame: Made of TR90, a new material which is flexible, wear-resistance and durable. It is also lightweight and stylish, less likely to break or bend from the impact, ideal for outdoors sports and activities Classic Perfect for Outdoor Sports & Activities: Biking, Driving, Skiing, Fishing, Surfing, Golfing, Snowboarding, Racing, Motorcycling, Jogging, Trekking, Climbing, Hill Walking, Camping, Beach, Cricket, Tennis, and all Summer and Winter sport & fitness activities Package Included: A hard protection case with a clip that you can attach to a backpack or whatever you want, offer your sunglasses; A soft carrying pouch makes it convenient for daily use; A microfiber cloth for easy clean; A polarized testing card Lifetime Warranty: provides lifetime after sale service for all product in case the purchasing is not satisfactory. You have NO RISK to try. If you meet any question, please feel free to contact us, we will fix your issue within 24 hours