Become the fastest version of yourself. This adidas Adizero running shoe ensures that your training is as dynamic as the competition. With more cushioning than the typical marathon shoe, the midsole combines Lightstrike and Lighstrike Pro technologies. Its Energyrods uppers give you an ultra dynamic stride that will get you closer to your next personal best.This product is made with Primegreen, a series of high performance recycled materials. The upper is made of 50% recycled materials. No virgin polyester. Standard fit.