InfinityRN 4 Shoe Size:8.5 Arm Length 140 mm

Arm Length 140 mm

designed with enhanced traction so you can go off the beaten path if you want to

Perfect for warm days and running races

Nike AeroBill technology combines breathability with sweat-wicking comfort to help reduce distractions

and you're sure to shine after dark

InfinityRN 4 Shoe Size:8.5 Arm Length 140 mmWith 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