Sports Polarized Sunglasses Hunting Glasses with 2 Set Interchangeable Lenses 3 Functional Lenses: The Main Red lens is Polarized Lenses eliminate glare and reduce eye fatigue, the Other 2 Lenses are Gray and Yellow Colored Sunglasses 100% UV400 Protection Coating Lens are made of high quality shatterproof PC material that is durable enough for long time using It is lightweight and comfortable for prolonged wearing The sunglasses are great suitable for outdoor sports like skiing , riding ,driving ,racing ,fishing, cycling, motorcycle , running, climbing ,hiking, traveling, etc