InfinityRN 4 Width:Regular Fresh Foam X midsole delivers

Fresh Foam X midsole delivers our most cushioned Fresh Foam experience for incredible comfort

Soft and slightly stretchy mesh helps keep you comfortably going

from its iconic style to keyhole bridge and metal rivets

FF BLAST™ PLUS ECO technology

the Arizona sandal has been defining style since 1973

InfinityRN 4 Width:Regular Fresh Foam X midsole deliversWith supportive cushioning built for a smooth run, the Nike InfinityRN 4 is a brand new take on a familiar favorite. It's made from our all new Nike ReactX foam, which gives you 13% more energy return compared with Nike React foam, to help you stay fresh and bouncy. (What's more? Nike ReactX reduces its carbon footprint in a pair of midsoles by at least 43% compared to Nike React foam.*) We coupled the ReactX foam with Nike Running's best fitting