Ultraboost 21 Primeblue FX7729 Size:10.5 Cored-out outsole enhances flexibility and

Cored-out outsole enhances flexibility and comfort

Cropped waist

They ride on our original tooling

modern Boost cushioning provides a comfortable and responsive ride

Ultraboost 21 Primeblue FX7729 Size:10.5 Cored-out outsole enhances flexibility andThe definition of best never rests. When we dropped the first adidas Ultraboosts, they were the best running shoes we ever made. With each new update, we raise the bar. Now you get the cushioning you didn't know you needed with the energy return you've always wanted. This version features 6% more Boost capsules and a supportive adidas Primeknit+ upper. It gives you an extra push of energy in each step that comes from the Linear Energy Push system,