Chibostar Cycling Sunglasses TR90 Material Frame Polarized UV400 Protection TR-90 Nylon frame Polarized lenses against strong sunlight and reduce eye fatigue 100% UV400 protection coating Lenses are made of high quality imported shatterproof PC material which is durable enough for long time using Lightweight design is ideal for usage by motorcycle and cycling bicycle, driving, running, fishing, racing or other outdoor activities enthusiasts