Embrace running again in a shoe that won't feel like the old clunky kicks you had back in the day. Short shorts, tube socks, and uncomfortable trainers are out, and synthetics, smart fuel, and the Adidas Men's Ultraboost Running Shoes are in. Though Adidas has integrated its proprietary Boost foam into many of its shoes, the Ultra Boost features 100% Boost cushioning on a lightweight, flexible platform. In addition to the ultra-responsive Boost midsole, you've also got a Primeknit upper for adaptive support and comfort, a Fitcounter molded heel counter to promote a natural motion of the Achilles, and a dual-compound outsole that provides gripping traction and a healthy flex for greater performance.