AdidasUltra Boost Uncaged socks shoes concept is the shoe collar compilation structure to provide comfort and motion stability protection, the structure of the foot support structure, to provide protection. The fabric of the upper material breathable comfort, soles at the design of Adidasboost technology. The solid particles (TPU) expansion into thousands of small energy capsules to make the middle of running shoes. Due to the uniqueness of the structure, each capsule can accumulate and release energy at each step.