Under Armour Micro G Limitless Mens TR2 Training Shoe Synthetic Breathable mesh upper provides the ventilation you need Seamless overlays add structure and support without adding bulk Molded 4D Foam footbed conforms to your foots exact shape, eliminating slippage Full-length Micro G foam turns cushioned landings into explosive takeoffs Added cushioning in the heel and strategic flex grooves in the forefoot work with your natural stride