Men's Nike Alphafly 3 Premium Size:9.0 our Cushlon foam gives a

our Cushlon foam gives a responsive and bouncy feel with every stride

starting with your socks

it's rechargeable

what are you supposed to be exactly

REBOUND - Like a trampoline

Men's Nike Alphafly 3 Premium Size:9.0 our Cushlon foam gives aNike Alphafly 3 Premium Men's Road Racing Shoes Fine tuned for marathon speed, the Alphafly 3 Premium powers your run with three innovative technologies. A double dose of Air Zoom units, a full length carbon fiber plate and a heel to toe ZoomX foam midsole help propel your forward as you conquer your next race. Energy Return Two forefoot Air Zoom units combine with ZoomX foam to store and return the energy back to you, powering every step with