Half-rimmed performance sunnies designed for cyclists feature a wrap-shield Prizm lens that enhances color and contrast so you can see more detail. 138mm lens width; 145mm temple length 100% UV protection Unobtainium® nose pad increases grip with perspiration to help keep eyewear securely in place Prizm lens technology enhances color, contrast and detail for an optimized visual experience O Matter™ frame material provides durability and all-day comfort to keep up with life on-the-go Plastic Made in the USA