For an adapted and specialized version of our signature CloudTec® technology, we left nothing up to chance. Using FEA-technology, we created the optimal midsole for a seamless weight transfer from heel to toe. It's called CloudTec Phase™ and it introduces a new age of cushioning. Exceptional cushioning and comfort for a plush running experience. Features a supportive upper that keeps your feet secure during runs. Offers a smooth and stable ride for both short and long distances. Men's size 13 Great pre owned condition. No major flaws. Little wear to the soles. Minimal wear to the upper. Please Check all pictures for details