Kask Koo Open Cube Cycling Sunglasses for Men & Women - Lightweight UV Protection Sports Glasses, Black Small Frame - Perfect for Road Biking, Mountain Biking & Outdoor Activities

Cask koi open glasses also feature easily-removable, interchangeable lenses for year-round optimum vision when cycling. The design also includes an 'airflow active system' which means the lenses can be tilted at three different angles to adjust the position of the glasses on your face. Flexible temples should also improve the fitting without interfering with comfort. The koi open cube glasses come in two sizes for a closer and more comfortable fit.