Help achieve a personal best with the Y-3 Ultraboost 5 runners. With a signature PRIMEKNIT upper, an all new TPU heel cage elevates the design. Featuring a BOOST midsole for lightweight cushioning and performance, a Continental™ Rubber outsole provides traction with every step. PRIMEKNIT Upper, Lace Closure, TPU Heel Cage, BOOST Midsole, Continental™ Rubber Outsole, Y-3. Y-3 Men's Ultraboost 5 Black/Black/Carbon. The Y-3 Ultraboost 5 sneaker offers a sophisticated take on a classic silhouette boasting exceptional comfort, cushioning, and traction. Primeknit uppers Dual branding logo TPU heel cage Boost midsole Rubber outsole Item code: JP7438. Get your Sneakers Y-3 Ultraboost 5 Black/ Black/ Carbon EUR 39 1/3 for 224.49 EUR at Footshop.