Adidas Ultraboost 1.0 running shoes Wonder Oxide In great condition Size 7 1/2 US Run, balance, or pivot — every movement is effortless in these Adidas running shoes. The Adidas Ultraboost Shoes are engineered for excellence, from the Adidas PRIMEKNIT upper that gently wraps your foot to responsive BOOST. A Stretchweb outsole made with Continental Rubber takes bumpy terrain in stride, while a supportive heel counter supports fragile areas just below the ankle.