The adidas adiStar MD 2005 track shoe features a ClimaCool® mesh nylon upper with heat-resistant stripe inserts that saves valuable energy over the middle distances. Synthetic leather trims improve durability. Foam insole adds comfort. Pre-molded EVA midsole offers optimized comfort and cushioning. Pebax® and TPU plate with adiPRENE® and adiPRENE®+ inserts delivers lightweight performance and durability. Wt. 6.6 oz.