When Nike released its Infinity Flyknit running shoe, it came with the caveat that it would help runners avoid injury. Two years later, Nike is back with the third iteration of their easy-to-use everyday running shoe, with a few more tweaks to the upper to deliver a smooth ride underfoot. But how does it compare to some of the best nike running shoes on the market? I ran 30 miles in the shoe, over a number of different terrains and session types, to put it through its paces.
Infinity fans will be pleased to hear that not much has changed between the second and third iterations of this shoe. Nike says they’ve added more cushioning around the heel and ankle for support, and added Flyknit to the upper. It’s still a comfortable all-around shoe, but in my opinion, it lacks the versatility of the original version of this shoe and is about $50 too expensive for most beginners. Read my full Nike Infinity Flyknit 3 review below for more.
Nike React Infinity Flyknit 3 review: price and availability
The Nike React Infinity Flyknit 3 costs £144.95 / $160 and has been available in the UK and US since April 2022. The shoe comes in five different colorways for men and women and comes in sizes US 5 to US 12 (UK 2.5 to UK 9.5) for women and US 6.5 to US 15 (UK 6 to UK 14) for men.
The shoe is more expensive than the likes of the Nike Pegasus 38 (and Pegasus 39, also released in April 2022), which cost $120.
Nike React Infinity Flyknit 3 review: Design and fit
Nike calls this its “most tested shoe”. There’s a bit of backstory here – when Nike first released the Infinity it came with a body of research that looked at how runners ran and what they needed of a shoe to prevent common running injuries. The results of the study, conducted by the British Columbia Sports Medicine Research Foundation, revealed that runners wearing the React Infinity had a 52% lower injury rate than the motion control shoe (Nike’s Structure 22), wearers confirming that they felt less pain in their knees and feet.
Nike React Infinity Flyknit 3: Specifications
Drop: Nike has yet to confirm
Colors available: 5
The changes in the second iteration of this shoe echoed that research – with the introduction of a sturdier upper to give runners more support. Personally, I missed the lighter, sock-like upper of the initial Infinity Run, which I used for many long, easy training miles. The thicker upper made this shoe heavier and less versatile. With the third iteration, Nike tweaked the upper again and added more cushioning around the heel and ankle for a more supportive feel underfoot.
The Nike React Infinity Flyknit 3’s upper is made from Nike’s “Flyknit” material, which is designed to look like a sock and hug the foot for a secure feel. As mentioned, the upper changed in the second iteration of the shoe, with the aim of making the shoe more durable and comfortable. In the Infinity Flyknit 2, Nike added padding to the collar and tongue, and incorporated “Flywire cables” to provide additional support in areas of the shoe.
The upper of the Flyknit 3 is very similar to the second version of the shoe – it feels a bit lighter, but still isn’t as sock-like as in the first version of the shoe.
The Nike React Infinity Flyknit 3’s midsole contains Nike’s React foam, which is firmer and more resilient than the ZoomX foam used in shoes like the Nike Running Invincibleor the Nike Vaporfly Next%2. This is the same foam used in the Pegasus 38, and gives you a snappy feel underfoot, without being too bouncy. As with other React shoes, I found that I almost had to break these shoes, and it wasn’t until I ran a few miles in them that I found the foam to be cushioned rather than firm.
Again, like previous versions of the shoe, the silhouette is the same – there’s a wider toe box for a stable underfoot feel, as well as rocker geometry to help support the stride and make it easier a natural momentum. This rocker isn’t that over the top, but it’s definitely there.
Nike says it added more cushioning around the heel and ankle in the third iteration of the shoe, and these felt comfortable right out of the box. However, underfoot they looked a lot like the previous shoe.
The Nike Infinity Flyknit 3’s outsole is definitely built for the roads rather than the trails. There are no deep lugs here, but they’re definitely grippier on pavement than, say, the Nike Invincible Run, and during testing I had no issues with these on wet concrete, on a treadmill or on a light trail.
Nike React Infinity Flyknit 3 review: Performance
Like the Infinity Flyknit 2, it’s a decent shoe for everyday miles. It’s comfortable enough to wear on your long runs, and it could be responsive enough for faster tempo sessions, though faster runners may find them a bit heavy, and there are better shoes for that (check out our best carbon fiber running shoes).
If you’re not comparing them to previous versions, like me, you’ll definitely appreciate the responsiveness of the React foam and the added stability to the shoe to help mild overpronators in the last few miles of a long run.
They also look great, which isn’t that important for a running shoe, but in my opinion, if you’re spending $160 on a shoe, you also want to be able to wear it to the gym or the office . .
Nike React Infinity Flyknit 3 Review: Verdict
While the third-generation Flyknit is great for easy training miles, my heart yearns for the underfoot feel of the original Infinity Flyknit, which I found to be far more versatile and far less heavy. I would also say that not much has changed since the Flyknit 2, so if you’re on a budget, grab the previous version on sale and you won’t be disappointed.
If you’re not looking to spend $160 on a shoe, the Pegasus 38 shares a lot of the goodness of the Infinity Flyknit 2 – reliable, designed for long training miles and comfortable underfoot, for $40 less. What’s more, the Pegasus 39 should drop any day now, so you’ll probably be able to pick up the 38 for even less.
If you’re looking for something more exciting, the ZoomX foam in the Nike Running Invincible is much more responsive and bouncy, and feels great even when running with tired legs.