Saucony Women&#39;s ProGrid Jazz 13 Running Shoe,White/Silver/Blue,8.5 M,Saucony,ProGrid Jazz 13,8700820013085" /> 100% Mesh and synthetic Rubber sole Compression Molded EVA midsole for shock attenuation and comfort SRC Impact Zone for a smoother transition Heel ProGrid Technology for maximum comfort and performance Ample mesh lets air flow while the grippy tread keeps you sure-footed on your run.