Experience epic energy with adidas's lightest member of the Ultraboost family. Built on a Light BOOST midsole that uses the lightest foam to date, they're bursting with energy and ultimate cushioning and comfort for your next run. The PRIMEKNIT and textile upper arrives in an all-white design and is finished with a lace-up closure, tonal 3-Stripes, and a Continental™ Better Rubber outsole.