We present our collection of sports glasses for running, cycling, skiing, practicing any other sport or daily wear. The lenses are interchangeable and two different ones are included: one for sunny days and one for days of poor conditions. The glasses are adjustable thanks to the inner frame where you can put corrective lenses. These sunglasses adapt perfectly to the contour of your face so you can have exceptional comfort and ease of movement without losing them. Uller sunglasses are manufactured with the best materials on the market to meet the highest demands of elite and high-performance athletes. Main lens: UV400 Protection CAT.3 for sunny days - Secondary lens: UV400 Protection CAT.1 for cloudy days - Frame made of TR90 for maximum light weight and strength. Includes: TR90 mount - Lens for sunny days CAT.3 - Lens for cloudy days CAT.1 - Interior frame to put prescription lenses - Carrying case with spaces to store the lenses. - Microfiber case included. Uller® sports glasses are recognized in more than 30 countries for their high quality at a reasonable price!