The Adidas Adizero Boston 12 Shoes are the perfect mid- to long-distance running companion. These shoes feature ENERGYRODS 2.0, made with glass fiber that limits energy loss underfoot, Lightstrike Pro cushioning and Lightstrike 2.0 EVA for durability. Get ready for your next long-distance race with the lightweight and highly responsive Adidas Adizero Boston 12 Shoes.