adidas releases the Ultraboost 21 model executed in a Core Black makeup. This model takes on a sock-like fit and features a fully breathable Primeknit upper accented with a textile lining which ensures a comfortable fit. The protective sole cap provides added protection against the elements while the adidas logo patch on the tongue ensures added style. Classic elements can be found throughout this model such as the 3-Stripes branding on the side panels and the TPU heel counter with embossed branding. Other style elements include the extended tongue and heel pulls, the Boost midsole and the Stretchweb Continental rubber outsole. The adidas Ultraboost 21 - Core Black is available at Kith shops and online.