Nike | Men’s InfinityRN 4 Road Running Shoes – White/Black-Speed Red-Speed Yellow

Advice for Road Runners: The Nike Men’s Infinity RN4 stability running shoes are for runners seeking support and cushioning. With multiple updates, the latest version of this popular style of Nike running shoes should feel better than ever. 

Underfoot Feel

The Nike Infinity RN4 midsole now features ReactX foam. This delivers 13% more energy return than previously used React foam – making it feel bouncier underfoot. 

A combination of tuned support and intentionally placed cushioning ensures your feet feel supported. 

Like the previous version, the Infinity RN4’s midsole curves from heel to toe. This helps your feet to roll forward from landing to take-off, and it offers an ultra-smooth feeling. 

Upper Fit

The feeling of support extends to the upper of the Nike Infinity RN4 Running Shoes too. A revamped Flyknit upper includes a Flyknit fit band. This band offers enhanced support and security where you need it most.

As these shoes are all about comfort, the foam heel collar is soft and supportive. The Flyknit tongue also feels plush.

With a water-repellent liner in the toe area, there is some protection from rain and puddles of water. 

We recommend ordering a half-size up from your normal Nike running shoe size. Nike has acknowledged that these have a snug fit. 

Ideal Run Type

We recommend using the Nike Men’s Infinity RN4 Road Running Shoes for your slower to steady paced miles. That’s because the cushioning offers great protection for slower runs and more responsiveness when you pick up the pace.

As a result of the high level of cushioning and the supportive design, the Infinity RN4 are perfectly suited to longer distance runs. Equally, you may need some extra help on a recovery run when your experiencing the effects of a hard training session from the day before. 

Technical Features

• Drop: 9 mm
• Approximate weight: 353 grams (based on a U.S. men’s size 10)
• Waffle outsole provides durable traction
• Colour shown: White/Black-Speed Red-Speed Yellow

Sizing Advice

Shoe size is a personal preference and everyone’s feet are different, but we want to ensure you avoid any pain or discomfort from bruised toenails, rubbing, blistering or pins and needles.

Your running shoes should have enough width to allow you to spread your toes and should have some space at the front (we recommend having a half to one thumb’s width of space from the end of your longest toe to the front of your running shoes).

This usually means that your running shoe will be at least a half size bigger than your regular shoe size though this can vary from brand to brand.