The adidas Attune CC is one very cool running shoe. ClimaCool upper provides 360 cooling for the entire foot. Perforated ClimaCool sockliner adds increased airflow. X-static provides cooling effect by quickly dissipating heat. adiPRENE insert offers comfort and shock absorption. Perfed EVA midsole delivers full-length ClimaCool ventilation. adiWEAR outsole gives best durability in high wear areas. "VentFlow" midfoot vents and forefoot perforations for comfortable foot climate.