The latest offering in adidas' ground-breaking Energy Boost Series is the highly technical runner Ultra Boost M, tipped as the greatest running shoe ever made, with the highest rate of energy return. Its precision designed Boost foam midsole has incredibly responsive ground feel no matter what conditions are to faced, the Ultra Boost is designed to return the energy from every step made. Featuring a seamless Primeknit upper that flexes to provide comfort and support and a Torsion System that supports the midfoot while allowing for natural motion. An incredible example of just how far footwear design has come.