The adidas UltraBoost 4. 0 "Cookies and Cream" originally released on March 15, 2018. It featured a black-and-white Primeknit upper, a solid black TPU Three Stripes cage and heel cup, a full-length Boost midsole to provide maximum comfort, and a black Continental rubber outsole for superior grip on any surface. The main difference between the UltraBoost 4. 0 and its predescessors is the different pattern seen on the Primeknit upper. Cblack.