InfinityRN 4 Width:Regular Soft and slightly stretchy mesh

Soft and slightly stretchy mesh helps keep you comfortably going

You're as fragile as a coral reef

There's even gusseted side pockets that help keep your keys or card from falling out

100% polyester

featuring Topo’s distinctive fit and feel

InfinityRN 4 Width:Regular Soft and slightly stretchy meshWith 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