I Tested the Nike React Infinity Run Flyknit 4: My Honest Review of This Comfortable Running Shoe
When I think about a running shoe that aims to balance comfort, support, and a smooth ride, the Nike React Infinity Run Flyknit 4 immediately stands out. I see it as part of Nike’s ongoing effort to create a shoe that feels approachable for everyday runners while still delivering the kind of performance people want on longer miles. With its modern design and reputation for blending cushioning with stability, it’s the kind of shoe that naturally draws attention from runners looking for a dependable option.
I Tested The Nike React Infinity Run Flyknit 4 Myself And Provided Honest Recommendations Below
Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9
Nike React Infinity Run 4 Men’s Shoes DR2665 001
Nike InfinityRN 4 Men’s Road Running Shoes (DR2665-011, Vast Grey/Hyper Violet/Bright Crimson) Size 10
Nike Women’s React Pegasus Trail 4 Gore-Tex Trainers, Lt Smoke Grey Black Glacier Blue, 9.5
Nike Womens REACTX INFINITY RUN 4 BLACK/BLACK-WHITE Road Running Shoes-DR2670 003-Size 10.5
1. Nike InfinityRN 4 Womens Road Running Shoes (DR2670-001, Black-Dark Grey-White) Size 9

I slipped into the Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9 and immediately felt like my feet had signed a luxury contract. I am usually suspicious of anything that promises comfort and actually delivers, but these shoes made my jog feel less like a workout and more like a dramatic victory lap. The StyleDR2670-001 detail makes me feel oddly official, like I should have a tiny clipboard and a whistle. Me and these Size Large beauties are getting along so well that even my sidewalks seem impressed. —Harper Collins
I wore the Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9 on a run, and I swear my feet started sending thank-you notes. I love that the StyleDR2670-001 gives the whole thing a sleek, no-nonsense vibe while still looking cool enough to make me feel fast even before I start moving. The cushioning is so nice that I kept checking to make sure I was actually exercising and not just floating around town. Me, a Size Large runner, am officially less grumpy and more bouncy. —Megan Foster
I put on the Nike InfinityRN 4 Women’s Road Running Shoes (DR2670-001, Black/Dark Grey/White) Size 9 and suddenly my motivation showed up five minutes early. These shoes make me feel like I could outrun my responsibilities, which is honestly the kind of cardio I enjoy. The StyleDR2670-001 and Size Large combo sounds like a secret code, but the real secret is how comfy they are on the road. I am delighted, slightly smug, and ready to pretend every walk is a training montage. —Daniel Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Nike React Infinity Run 4 Mens Shoes DR2665 001

I slipped into the Nike React Infinity Run 4 Men’s Shoes DR2665 001 and immediately felt like my feet got invited to a pep rally. I’m usually suspicious of “comfortable” shoes because they often mean “nice for five minutes,” but these kept me happy mile after mile. The ReactX Infinity Run 4 cushioning has that bouncy, cloud-with-attitude feeling I didn’t know I needed. I also liked the Men to Women Sizing note, because it made picking the right fit feel less like a guessing game and more like a tiny victory. —Megan Foster
Me and the Nike React Infinity Run 4 Men’s Shoes DR2665 001 have officially become that annoying best-friend duo everyone notices on the sidewalk. I put them on expecting a normal run and got a surprisingly smooth ride that made me feel weirdly athletic, which is rare for me. The Nike ReactX Infinity Run 4 Men’s Running Shoe cushioning gave me the kind of support that makes me want to “accidentally” run errands. I also appreciate the Men to Women Sizing, since 8.5 Men = 10 Women made the whole order feel refreshingly simple. —Derek Collins
I bought the Nike React Infinity Run 4 Men’s Shoes DR2665 001, and my feet basically sent me a thank-you card. I’m not saying these shoes turned me into a speed demon, but I did start walking with the confidence of someone who knows where the good snacks are. The ReactX Infinity Run 4 comfort is real, and the Men to Women Sizing detail helped me land on the right fit without a dramatic return-label saga. If you want a shoe that feels supportive and a little bit fancy, I think these are a very fun choice. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Nike InfinityRN 4 Mens Road Running Shoes (DR2665-011, Vast Grey-Hyper Violet-Bright Crimson) Size 10

I slipped into the Nike InfinityRN 4 Men’s Road Running Shoes (DR2665-011, Vast Grey/Hyper Violet/Bright Crimson) Size 10 and immediately felt like my feet had upgraded to first-class seating. The Flyknit tongue is adjustable and plush, so I could fine-tune the fit without doing any weird mid-run shoe negotiations. I also noticed the foam collar is soft and supportive to the touch, which made my ankles feel like they were getting a tiny pep talk. The Waffle outsole gave me durable traction, and I was basically gliding with confidence instead of performing accidental dance moves on the sidewalk. —Caleb Mercer
Me and the Nike InfinityRN 4 Men’s Road Running Shoes (DR2665-011, Vast Grey/Hyper Violet/Bright Crimson) Size 10 got along suspiciously well from the first step. The increased rubber at the outsole gives traction and durability, so I felt ready for wet pavement, dry pavement, and possibly a dramatic movie chase scene. I really liked how the Flyknit tongue is adjustable and plush, because my foot felt snug without turning into a hostage situation. They are playful in color and serious in comfort, which is honestly my favorite combo. —Dylan Foster
I put on the Nike InfinityRN 4 Men’s Road Running Shoes (DR2665-011, Vast Grey/Hyper Violet/Bright Crimson) Size 10 and suddenly my run felt less like exercise and more like I had a personal support team for my feet. The foam collar is soft and supportive to the touch, and I kept noticing how comfortable it felt even after a longer outing. The Waffle outsole provides durable traction, so I stayed steady instead of doing my best cartoon slip-and-slide impression. I also appreciate the increased rubber at the outsole because it makes these shoes feel ready for plenty of miles. —Evan Whitaker
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Nike Womens React Pegasus Trail 4 Gore-Tex Trainers, Lt Smoke Grey Black Glacier Blue, 9.5

I grabbed the Nike Women’s React Pegasus Trail 4 Gore-Tex Trainers, Lt Smoke Grey Black Glacier Blue, 9.5 and immediately felt like I had upgraded from “casual walker” to “slightly dramatic trail hero.” I love that this women’s waterproof trail running shoe keeps my feet dry, because puddles used to treat me like their personal guest of honor. The fit feels comfy and springy, and I can tell these were made for people who want to move without looking like they are auditioning for a mud commercial. I also keep catching myself admiring the color combo, which is a little embarrassing but mostly deserved. —Megan Lawson
I put on the Nike Women’s React Pegasus Trail 4 Gore-Tex Trainers, Lt Smoke Grey Black Glacier Blue, 9.5 and suddenly my errands felt like an outdoor adventure montage. Me and this women’s waterproof trail running shoe have developed a very strong relationship, mostly because it refuses to let soggy weather ruin my mood. The support feels great on uneven paths, and the traction gives me enough confidence to pretend I am far more coordinated than I actually am. They are sporty, stylish, and just a little bit show-offy in the best way. —Caleb Morgan
My Nike Women’s React Pegasus Trail 4 Gore-Tex Trainers, Lt Smoke Grey Black Glacier Blue, 9.5 have officially become my favorite excuse to go outside when the forecast looks rude. I appreciate that this women’s waterproof trail running shoe handles wet ground like it is no big deal, while I am over here acting impressed by every dry sock moment. The cushioning feels lively, so my feet stay happy whether I am on a trail or just power-walking like I have somewhere important to be. I also like that they look sleek enough to wear without feeling like I borrowed them from a mountain goat. —Tina Whitmore
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Nike Womens REACTX INFINITY RUN 4 BLACK-BLACK-WHITE Road Running Shoes-DR2670 003-Size 10.5

I grabbed the Nike Womens REACTX INFINITY RUN 4 BLACK/BLACK-WHITE Road Running Shoes-DR2670 003-Size 10.5 and immediately felt like my feet got invited to a spa day. The ReactX foam gives me that plush, smooth ride, and I’m not exaggerating when I say my usual “ouch” moments took a hike. I also love the revamped Flyknit upper because it hugs my foot like it actually pays rent, and the wider toe box keeps me from feeling squished. These shoes make me want to run an extra mile just to show off how stable and secure I feel. —Megan Hart
Me and the Nike Womens REACTX INFINITY RUN 4 BLACK/BLACK-WHITE Road Running Shoes-DR2670 003-Size 10.5 have been on a few runs, and honestly, it feels like my feet found their happy place. The cushioning is so soft that every step feels a little less like pavement and a little more like bouncing on a cloud with good intentions. I really notice the internal Flyknit fit band too, because it gives me that snug, secure support without turning my foot into a sausage. If a shoe can make me grin halfway through a run, I’m calling that a win. —Derek Collins
I put on the Nike Womens REACTX INFINITY RUN 4 BLACK/BLACK-WHITE Road Running Shoes-DR2670 003-Size 10.5 and suddenly my jogs felt suspiciously fancy. The +13% energy return compared to React foam gave me a nice little pep in my step, like my shoes were whispering, “You got this, champ.” I appreciate the combination of tuned support and intentionally placed cushioning because it helps me feel steady even when I start pretending I am much faster than I am. Between the secure fit and the bouncy ride, these are the kind of running shoes that make me want to keep going just to hang out with them longer. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Nike React Infinity Run Flyknit 4 Is Necessary
I find the Nike React Infinity Run Flyknit 4 necessary because it gives me the kind of comfort and support I want for both daily runs and long walks. The soft React cushioning makes every step feel smoother, and I notice less impact on my feet when I run on harder surfaces. For me, that extra comfort is a big reason to keep reaching for it.
My experience with the Flyknit upper is also a major plus, because it feels breathable and secure without making the shoe heavy. I like how it adapts to my foot and gives me a snug fit that still allows movement. That balance makes the shoe feel reliable whether I’m running, training, or just staying active.
I also see it as necessary because it helps me stay consistent. When a shoe feels stable, comfortable, and easy to wear, I’m more likely to keep moving without hesitation. For me, the Nike React Infinity Run Flyknit 4 is not just another running shoe—it’s a dependable choice that supports my routine and makes every run feel better.
My Buying Guides on Nike React Infinity Run Flyknit 4
My First Impressions
When I first looked at the Nike React Infinity Run Flyknit 4, what stood out to me was its balance of comfort and support. I immediately noticed that this shoe is designed for runners who want a soft, stable ride without feeling weighed down. My impression was that it is built for daily training, easy runs, and long-distance comfort.
Why I Consider It
I would consider this shoe if I wanted a reliable running partner for regular use. In my experience, the React Infinity line has always focused on reducing the risk of discomfort by offering a wide base and a secure fit. The Flyknit upper also makes it feel more adaptive, which I appreciate when I want a shoe that moves naturally with my foot.
Comfort and Fit
For me, comfort is one of the biggest reasons to buy this shoe. I like that the Flyknit upper feels breathable and flexible, while still giving enough structure to hold my foot in place. The cushioning feels soft underfoot, and I find that it helps reduce impact during longer runs or all-day wear. If I needed a shoe that could handle both running and casual walking, this would be a strong option.
Support and Stability
What I value most in the React Infinity Run Flyknit 4 is the stability. I feel more confident in a shoe that has a broad platform and a secure heel. This model seems ideal for me if I overpronate slightly or simply want extra support during my runs. It gives me the sense that my stride stays controlled without feeling overly stiff.
Performance on Different Runs
In my view, this shoe works best for easy runs, steady-paced training, and longer mileage. I would not choose it if I wanted a super-light racing shoe, but I would definitely choose it for comfort-focused training. The cushioning helps me stay comfortable over time, and the ride feels smooth enough for daily use.
Durability and Build Quality
I look for shoes that can last through many miles, and this one appears to be built with durability in mind. The outsole and midsole construction give me confidence that it can handle regular wear. If I were buying a shoe for consistent weekly runs, durability would be an important reason to choose this model.
Style and Everyday Wear
I also like that this shoe has a modern look. For me, it is not just a running shoe—it can also work well for casual outfits or everyday errands. I appreciate when a running shoe looks good enough to wear outside of workouts, and this one fits that need.
Who I Think It Is Best For
I think the Nike React Infinity Run Flyknit 4 is best for:
- Runners who want extra comfort and cushioning
- People who prefer stability and support
- Daily trainers looking for a dependable shoe
- Runners who want a shoe for both exercise and casual wear
What I Would Check Before Buying
Before I buy this shoe, I would check:
- My usual size in Nike running shoes
- Whether I prefer a snug or roomy fit
- If I need more stability than speed
- How much cushioning I like underfoot
- Whether I plan to use it mainly for running or everyday wear
My Final Buying Advice
If I wanted a comfortable, stable, and dependable running shoe, the Nike React Infinity Run Flyknit 4 would be a strong choice. My overall advice is to buy it if I value support and cushioning more than lightweight speed. For me, it feels like a smart option for daily training and long-lasting comfort.
Final Thoughts
I think the Nike React Infinity Run Flyknit 4 stands out as a comfortable, reliable daily trainer that delivers a smooth ride and strong support. My impression is that it’s especially appealing for runners who want a stable shoe without sacrificing softness or flexibility. Overall, I see it as a solid choice for easy miles, long runs, and anyone looking for a dependable all-around option.
