The Collegiate Navy Primeknit upper of the White Mountaineering x NM_ R2 PK sneaker showcases the distinct 3-Stripes/White Mountaineering branding on the forefoot. Complementing this, the sneaker exhibits a Running White medial heel plug, and a white Boost midsole, providing optimal comfort and support. To complete the sleek look, the design is finished with a black outsole. This highly sought-after sneaker was released in March 2017, offered in a two-pack option which included a black colorway as well.