All running shoe brands are eager to give you that extra boost you need to win or train harder. The new Ultra Boost shoes from adidas is another one that promises to change everything you think you knew about fast and comfortable feels like. The shoes feature boost foam in the midsole that has an incredible responsive ground feel and keeps its form even in colder weather. These shoes are designed to return energy to every step you make and features a seamless and stretchy Primeknit upper, a TORSION SYSTEM that supports the midfoot while allowing for natural motion, and a stretch web outsole that adapts to your foot strike.