The adidas Ultra Boost 4 Grey Multi Color is a stylish and comfortable running shoe that features a unique blend of colors and materials. The upper is made of a breathable Primeknit material that conforms to the shape of your foot, while the Boost midsole provides responsive cushioning and energy return with every step. The shoe also features a durable Continental rubber outsole that provides excellent traction on both wet and dry surfaces. The Grey Multi Color colorway is a combination of grey, black, and white with pops of blue and red, making it a versatile option for any outfit. Released on September 8th, 2018, the adidas Ultra Boost 4 Grey Multi Color retails for $180 and is a must-have for runners and sneaker enthusiasts alike.