The adidas Ultra Boost 4.0 'Grey' was released in November 2017, featuring a sleek and stylish performance design. The shoe showcases a mesmerizing light grey hue that covers the midfoot cage, molded heel stabilizer, and Primeknit upper, creating an aesthetically pleasing look. The Primeknit upper flaunts a ribbed construction unique to the Ultra Boost 4.0, with different knits on the toe and collar to ensure a comfortable and customized fit. Underneath, the white Boost cushioning provides unbeatable support and responsiveness, while the black Stretchweb outsole enhances traction and durability. Overall, the adidas Ultra Boost 4.0 'Grey' is a must-have sneaker that combines style and performance effortlessly.