Adidas continues to expand their Ultra Boost 4.0 ($180) collection with the latest Core Navy rendition. Officially labeled as "Core Navy/Ash Blue" the new Ultra Boost features a navy tone along the caging, liner and heel cup, contrasted by a multi-colored Primeknit upper. The knitted design showcases hues of blue, pink and navy, sitting atop an all-white Boost midsole offering traditional comfort and support. Finally, a black Continental rubber outsole rounds out the runner, while signature metallic Ultra Boost branding at the heel gives it a finished look. Purchase your pair in-store and online today.