Dropped in November 2016, are the Ultra Boost 4.0 Core Black sneakers. These Solid black Ultra Boost sneakers are made with an upper portion of Primeknit material. Following this is a further black midfoot cage, heel counter and stretchweb outer rubber sole. The only contrasting colour way to these sneakers are the grey midsoles. For your Core Black Ultra Boost 4.0 sneakers, visit Solezilla.