Chase the fastest version of yourself. These adidas Adizero running shoes give you a race – day feel in training. With more cushioning than the average marathon shoe, the midsole mixes Lightstrike with Lighstrike Pro. Throw in the snappy feel of the energy rods, and the result is an ultra – responsive ride that brings you closer to your next PB. This product is made with Primegreen, a series of high – performance recycled materials. 50% of the upper is recycled content.