TR90 frameTri Acetate Cellulose lensPolarizedUV Protection Coating coatingLens width: 2.79 inchesLens height: 1.92 inchesArm: 137 millimetersSTYLISH AND DURABLE- Cool Rimless jacket frame design enables clear lower vision field. Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Fashion and stylish design, with rich color combinations of frames and lens. Polycarbonate lens and frames are impact, scratch resistant, durable and unbreakable. NEW MATERIAL -TR90 was produced through Swiss technology as a thermoplastic material that is incredibly durable, flexible, and lightweight. Glasses made with TR90 are extremely comfortable because they have a flexible quality. Since they are flexible, they can bend under pressure and contour your face comfortably. TR90 frameTri Acetate Cellulose lensPolarizedUV Protection Coating coatingLens width: 2.79 inchesLens height: 1.92 inchesArm: 137 millimetersSTYLISH AND DURABLE- Cool Rimless jacket frame design enables clear lower vision field. Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Fashion and stylish design, with rich color combinations of frames and lens. Polycarbonate lens and frames are impact, scratch resistant, durable and unbreakable. NEW MATERIAL -TR90 was produced through Swiss technology as a thermoplastic material that is incredibly durable, flexible, and lightweight. Glasses made with TR90 are extremely comfortable because they have a flexible quality. Since they are flexible, they can bend under pressure and contour your face comfortably.