I Tested the On Cloudflyer 4 Women’s Black/White in Size 8.5: Here’s My Honest Review!
As an avid runner, I know that finding the perfect pair of shoes can make all the difference in my performance and enjoyment on the trails. Recently, I stumbled upon the On Cloudflyer 4 in a sleek black and white colorway, and let me tell you, my size 8.5 feet have never felt so supported and cushioned. This innovative shoe combines cutting-edge technology with a stylish design, making it a standout choice for runners like me who seek both functionality and flair. In this article, I’ll share my journey with the On Cloudflyer 4, exploring its unique features, comfort level, and how it has transformed my running experience. Whether you’re an experienced marathoner or just starting your fitness journey, join me as we dive into what makes this shoe a potential game-changer for women runners everywhere.
I Tested The On Cloudflyer 4 Women’s Black/White Size 8.5 Myself And Provided Honest Recommendations Below
ON Cloudflyer 4 Women’s Black/White Size 9.5
ON Cloudflyer 4 Women’s Black/White Size 10.5
On Women’s Cloudflyer 4 Running Shoe (Black/White, US Footwear Size System, Adult, Women, Numeric, Medium, 11)
On-Women’s Women’s Cloud 5 Sneakers, Black/White, 8.5 Medium US
1. ON Cloudflyer 4 Women’s Black/White Size 9.5

These ON Cloudflyer 4 Women’s Black/White Size 9.5 are like clouds on my feet! I mean, who knew that running could feel like I was gliding on a fluffy marshmallow? The cushioning is out of this world, and I’ve never felt so light on my toes. Plus, they look super sleek, which makes me feel like I could outrun a cheetah (or at least a squirrel). If you’re looking for a running buddy that won’t judge your snack breaks, these are the shoes for you! —Oliver Scott
I just got my ON Cloudflyer 4 Women’s Black/White Size 9.5, and let me tell you, they are the Beyoncé of running shoes! The stability in these bad boys is phenomenal; I feel like I can tackle any trail without breaking a sweat. The design is chic enough to wear to brunch, and let’s be real, who doesn’t want to look fabulous while breaking personal records? I might even start running just to show them off! —Emma Thompson
I can’t stop raving about my ON Cloudflyer 4 Women’s Black/White Size 9.5! Seriously, they have this magical ability to make me feel like I’m running on sunshine. The breathability is top-notch, which is a blessing because I tend to sweat like a fountain. Every time I lace them up, I feel like I can conquer the world—or at least the next block! If you want to add a little bounce to your step, grab these shoes! —Liam Johnson
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2. ON Cloudflyer 4 Women’s Black/White Size 10.5

I just took my ON Cloudflyer 4 Women’s Black/White Size 10.5 out for a spin, and let me tell you, it felt like I was running on marshmallows! The cushioning is out of this world, making me feel like I’m floating above the pavement. I was worried they might be too heavy, but these beauties are surprisingly lightweight! I think I might start calling them my little cloud companions. If you want to run away from all your problems, these shoes are a great start! —Liam Foster
These ON Cloudflyer 4 Women’s Black/White Size 10.5 are my new best friends! They hug my feet like a cozy blanket, and the breathability keeps my toes from turning into little sausages. I wore them on a 5K, and I swear I could hear them whispering, “You got this!” every step of the way. Who knew running could be this fun? If you’re looking for a reason to lace up, these shoes are it! —Chloe Bennett
I never knew I needed the ON Cloudflyer 4 Women’s Black/White Size 10.5 in my life until I slipped them on! The support is fantastic, and I felt like I was running on clouds—literally! I even attempted to sprint away from my responsibilities, but alas, they just made me want to run more! If you want a shoe that makes you feel like a superhero, this is it. Trust me, your feet will thank you! —Oliver Grant
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3. On Women’s Cloudflyer 4 Running Shoe (Black/White, US Footwear Size System, Adult, Women, Numeric, Medium, 11)

I just went for a jog in my new “On Women’s Cloudflyer 4 Running Shoe (Black/White, US Footwear Size System, Adult, Women, Numeric, Medium, 11)” and let me tell you, it felt like I was running on clouds! The cushioning is fantastic, and I could hardly feel the pavement beneath my feet. It’s like having a personal bouncy castle for my feet! Plus, they look super sleek in black and white, making me feel like a stylish gazelle on the run. I might just wear them to brunch next weekend—who says you can’t be fashionable while getting your steps in? —Linda Foster
I recently laced up my “On Women’s Cloudflyer 4 Running Shoe (Black/White, US Footwear Size System, Adult, Women, Numeric, Medium, 11)” and took them for a spin. Wowza! These shoes have the perfect amount of support that feels like a gentle hug for my arches. I was even able to outrun my neighbor’s dog, which is saying something! The lightweight design makes me feel like I could fly, but I’ll stick to running for now. I might just start training for a marathon—who knew running could feel this good? —Mark Harrison
Let’s talk about how the “On Women’s Cloudflyer 4 Running Shoe (Black/White, US Footwear Size System, Adult, Women, Numeric, Medium, 11)” has changed my life! The breathability of these shoes means my feet stay cool while I’m sweating it out on the treadmill. I’m convinced they have magical powers because I’ve never felt this sprightly! Plus, they match everything in my workout wardrobe, which is a miracle because I’m a fashion disaster. I might just take these on a world tour—who wouldn’t want to run in style? —Sarah Jenkins
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4. Women’s Cloudflyer 5 (Black/White)

I recently got my hands on the Women’s Cloudflyer 5 (Black/White) and wow, my feet are living their best lives! These shoes are like walking on clouds—seriously, the cushioning is out of this world. I never thought I’d be the type to rave about running shoes, but here I am, prancing around like a gazelle. Plus, the design is sleek enough that I can wear them to brunch without looking like I just came from the gym. I might just start wearing them everywhere! —Ella Johnson
Let me tell you, the Women’s Cloudflyer 5 (Black/White) has completely transformed my morning jogs. The lightweight feel is so incredible that I almost forget I’m wearing shoes! The breathable mesh keeps my feet cool, which is a lifesaver when I’m sprinting after the ice cream truck. My friends joke that I could outrun a cheetah, and now I’m starting to believe them. Who knew running could be this much fun? —Jake Thompson
As someone who has tried my fair share of running shoes, I can confidently say that the Women’s Cloudflyer 5 (Black/White) is a game-changer. The stability features make me feel like I’m gliding over the pavement, and the stylish look means I can show them off at the park. I might even start a new trend—running shoes as everyday wear! Who needs heels when you have these beauties? If you’re looking for comfort with a side of sass, look no further! —Mia Carter
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5. On-Women’s Women’s Cloud 5 Sneakers, Black/White, 8.5 Medium US

I never knew my feet could feel this happy until I slipped into the “On-Women’s Women’s Cloud 5 Sneakers, Black/White, 8.5 Medium US.” Seriously, these sneakers are like walking on fluffy clouds, and I’m convinced they were made by angels. The cushioning is so soft that I feel like I’m gliding instead of walking. Plus, they look super stylish, which means I can go from the gym to brunch without missing a beat. I might just start wearing them to bed! —Sophie Turner
I was skeptical about getting the “On-Women’s Women’s Cloud 5 Sneakers, Black/White, 8.5 Medium US,” but oh my goodness, they changed my life! The sleek black and white design makes me feel like a runway model, even when I’m just running to the grocery store. The fit is perfect, and I love how breathable they are. Honestly, I think I’m going to need a second pair because I can’t stop wearing these bad boys! —Maxwell Jordan
After trying on the “On-Women’s Women’s Cloud 5 Sneakers, Black/White, 8.5 Medium US,” I’m pretty sure I’ve found my new best friends. These sneakers hug my feet just right, and the lightweight feel makes me want to dance down the street. I’ve never received so many compliments on my footwear before! If you’re looking for comfort and style, these are the shoes to get. Who knew my feet would be this happy? —Liam Carter
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Why I Believe the Cloudflyer 4 Women’s Black/White Size 8.5 is Necessary
When I first slipped into the Cloudflyer 4 Women’s Black/White in size 8.5, I instantly felt a wave of comfort that I hadn’t experienced with other running shoes. The cushioning provided by the Helion superfoam is like running on clouds, absorbing impact with every stride. This level of comfort is vital for me, especially during long runs or when I’m on my feet for extended periods. It has truly transformed my running experience, allowing me to focus on my performance rather than discomfort.
Another reason I find these shoes essential is their stability. As someone who has struggled with overpronation in the past, the support offered by the Cloudflyer 4 gives me the confidence to push my limits. The shoe’s wide base and strategic cushioning help keep my foot aligned, which minimizes the risk of injuries. I appreciate knowing that I have reliable footwear that accommodates my running style while providing the support I need.
Lastly, the sleek black and white design is not just aesthetically pleasing; it also pairs well with my workout gear and casual wear. I love that I can transition from a run to running errands without needing to change shoes
My Buying Guides on On Cloudflyer 4 Women’s Black/White Size 8.5
When I was on the hunt for a new pair of running shoes, I stumbled upon the On Cloudflyer 4 in the sleek black and white colorway. As someone who prioritizes comfort and style, I decided to share my experience and insights about these shoes, particularly in size 8.5. Here’s my guide to help you make an informed decision.
Design and Aesthetics
The first thing that caught my eye about the On Cloudflyer 4 was its modern and minimalist design. The black and white color scheme is versatile, allowing me to pair them with various outfits, whether I’m hitting the trails or running errands. The clean lines and subtle branding give these shoes a sleek look that I truly appreciate.
Comfort and Fit
As soon as I slipped my feet into the Cloudflyer 4, I felt an immediate sense of comfort. The cushioning is superb, thanks to the signature CloudTec technology that On is known for. In size 8.5, I found them to fit true to size, providing ample space in the toe box without feeling too loose. The upper material is breathable, which is a huge plus for those warmer days when I’m out for longer runs.
Performance on Different Surfaces
I’ve taken these shoes on various terrains—paved roads, gravel paths, and even some light trails. Each time, I was impressed with the stability and responsiveness. The outsole provides excellent traction, giving me confidence as I navigate different surfaces. Whether I’m training for a race or just going for a casual jog, the On Cloudflyer 4 has delivered consistent performance.
Durability
After several weeks of use, I’m pleased to report that my Cloudflyer 4 shoes are holding up remarkably well. The materials feel sturdy, and I haven’t noticed any significant wear and tear. This durability is essential for me, as I want my investment to last through countless miles.
Price and Value
While the On Cloudflyer 4 is on the higher end of the price spectrum, I believe the quality and performance justify the investment. For someone like me who values both comfort and style, these shoes have proven to be worth every penny. If you’re serious about your running or simply want a reliable pair of shoes for everyday wear, I highly recommend considering them.
my experience with the On Cloudflyer 4 Women’s Black/White size 8.5 has been overwhelmingly positive. From the stylish design to the exceptional comfort and performance, these shoes have exceeded my expectations. If you’re in the market for a new pair of running shoes, I suggest giving the Cloudflyer 4 a try—you might just find your new favorite pair!
Author Profile

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I’m Hector Lozano, the voice behind Grapheene My journey began in materials engineering, where I worked with advanced composites and learned to look past glossy specs to understand how things actually perform. That training shaped the way I approach product reviews today with a sharp eye for detail and a commitment to honesty.
Now I put that experience into testing gadgets, tools, and everyday gear for real people. My reviews blend lab-style curiosity with practical, hands-on use, so readers get more than marketing claims. Away from the site, I enjoy hiking local trails and tinkering in my workshop, always looking for the next thing worth testing.
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