Our lightest BOOST foam ever makes these kicks over 10% lighter, for energy return that propels you forward with every step. The adidas PRIMEKNIT+ upper hugs your foot with a seamless, breathable fit. Whether you're traveling to uncharted territory or navigating the city jungle, the Continental™ Better Rubber outsole keeps you grounded with superior traction. With a silhouette inspired by inflated geometries, the Ultraboost Light fuses performance and style. We have reduced the carbon footprint of this pair of shoes by a minimum of 10% when compared to its previous version. Less greenhouse gas emissions, including CO2, for the full life cycle — from creation all the way to end-of-life.