2015's Fan-Favorite adidas UltraBOOST "Core Black" Is Black

Among the consensus best UltraBOOSTs to ever release, 2015's "Core Black" is certainly a favorite for many. Now, five years later, the cult-classic is back but with some subtle design tweaks.Utilizing the UltraBOOST U model, one that is presumably unisex, this version features a Primeknit upper with a pattern that's reminiscent of the UB 4.0. However, and most notably, this sneaker swaps the original's plastic heel counter and lacing structure for a synthetic material that offers a unique layeri...