1m 11sLength

Energy takes over with Ultra BOOST the greatest running shoe ever. Discover the running revolution: http://adidas.com/ultraboost Abandon the ordinary and join the running revolution with adidas Ultra BOOST. Combining properties of the two most innovative adidas technologies - BOOST foam cushioning and adidas PRIMEKNIT - Ultra BOOST is the standard by which all other running shoes will now be measured. With 20% more BOOST foam cushioning for unrivaled levels of energy return, Ultra BOOST offers maximum BOOST and ultimate response. An innovative Stretch Web outsole flexes underfoot, harnessing the energy of BOOST for a truly energized ride. adidas PRIMEKNIT upper provides an ultralight, comfortable fit to Ultra BOOST wrapping the foot in breathable support. Dual density TORSION system allows independent movement between heel and forefoot for ultimate stability.