The √âtudes x adidas UltraBoost Uncaged is a limited edition collaboration between the Parisian menswear brand and the Three Stripes. The unique colorway by √âtudes uses the Uncaged edition of the popular Boost-cushioned running shoe and features a royal blue hue across the Primeknit upper with various textures and patterns incorporated into the weave. Black accents are also found across the shoe, including on the Boost midsole. A circular arrangement of white stars is added to the top of each toe to represent the flag of the European Union. The √âtudes x adidas UltraBoost Uncaged released in September 2018 in limited supplies.