Climacool Sonic ShoesFully ventilated runners designed with Stella McCartney.Air-condition your run in the adidas by Stella McCartney Climacool Sonic Shoes. With Stella's signature florals on the upper, these runners offer all-around ventilation.climacool® provides 360-degree cooling for the entire footboost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyEngineered open mesh and micro-perforated upperRubber outsoleImported