The winter-ready iteration of the adidas Ultra Boost 2021 is ready for the wet and cold conditions as the sneaker comes equipped with an insulated upper to keep your feet warm and dry. This pair has been covered in Black with white accents placed on portions of the upper as well as on the full-length chunky Boost midsole. A Continental WinterGrip rubber outsole down below with optimum traction rounds out the look on this adidas Ultra Boost 2021 COLD.RDY.