Nike InfinityRN 4 Men's Road Running Shoes - Cool Grey/University Red/White

Nike InfinityRN 4

Men's Road Running Shoes

$160
Cool Grey/Team Maroon/White
Cool Grey/Gorge Green/White
Cool Grey/Vegas Gold/White
Cool Grey/College Navy/White
Cool Grey/Black/Wolf Grey/White
Cool Grey/University Red/White
Design your own Nike By You product

Maximum cushioning provides elevated comfort for everyday runs. Experience a soft, rocker-shaped platform made with new ReactX foam underfoot and an ultra-comfortable collar and tongue for a snug feel. Plus, a water-resistant membrane was added to this version to help keep you dry.


  • Shown: Cool Grey/University Red/White
  • Style: FJ1221-019

Nike InfinityRN 4

$160

Maximum cushioning provides elevated comfort for everyday runs. Experience a soft, rocker-shaped platform made with new ReactX foam underfoot and an ultra-comfortable collar and tongue for a snug feel. Plus, a water-resistant membrane was added to this version to help keep you dry.

Key Benefits

  • Updated Flyknit upper and a water-resistant membrane help keep you dry
  • New ReactX foam in the midsole for extra cushioning
  • Waffle outsole for durable traction on the roads
  • Ultra-comfortable collar and tongue for a soft, snug fit
  • What’s New? New ReactX cushioning for even more comfort and a revamped upper and wider toe box.

Product Details

  • Weight: Approx. 354g/ 12.5oz (Men's US 10)
  • Heel-to-toe drop: 9mm
  • Not intended for use as Personal Protective Equipment (PPE)
  • Shown: Cool Grey/University Red/White
  • Style: FJ1221-019

Size & Fit

    • Snug fit; we recommend ordering a half-size up
  • Size Guide

Shipping & Returns


Pick-up available at select Nike Stores.

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    More Info

    Snug fit; we recommend ordering a half-size up