HOKA Skyflow running jacket Review: Comfortable, compact and lightweight

By Henry Howard

When the forecast calls for unpredictable conditions, the last thing runners want is to be caught underprepared or weighed down by bulky gear. Enter the HOKA Skyflow running jacket, a featherweight windbreaker that punches well above its 3.7-ounce weight class.

Designed for runners who refuse to let weather dictate their training schedule, this ultralight layer delivers impressive protection without the typical bulk and noise that plague traditional running shells.

As warm summer temperatures finally gave way to autumn coolness, I had the opportunity to test and compile this HOKA Skyflow Running Jacket review. As of this writing, I’ve worn the jacket on runs totaling over 12 hours, mostly on trails but also some roads, in cool weather with some mild rain. The Skyflow running jacket delivered comfort and protection in an incredibly lightweight package.

Over the past decade, I’ve tested and reviewed dozens of road and trail running shoes, including recent ones such as the HOKA Challenger 8, the HOKA Mafate X and the HOKA Mafate 5.

The HOKA Skyflow as a trail running windbreaker

What immediately sets the Skyflow apart is its remarkable packability. The entire jacket compresses into its own chest pocket, transforming into a bundle roughly the size of a tennis ball. This feature makes it essential gear for runners who start in cool morning temperatures but know they’ll warm up mid-run, or for trail runners and hikers who need reliable emergency weather protection without sacrificing pack space.

The construction speaks to HOKA’s understanding of what runners actually need.

Made from 100% nylon ripstop fabric treated with a water-repellent coating, the Skyflow resists light rain and cutting wind while remaining breathable enough to prevent the clammy, overheated feeling common with budget windbreakers. The ripstop weave adds durability without extra weight, a critical consideration when every gram counts.

Perhaps most impressive is the noise-free fabric technology. Anyone who’s run in a crinkly jacket knows how distracting that constant rustling becomes over long distances.

The Skyflow eliminates this annoyance entirely, allowing runners to simply enjoy the quiet of an early morning run. During windy conditions, the jacket provides excellent protection against strong gusts without turning runners into a walking wind sock. The fit remains close to the body without restricting movement, cutting through headwinds while maintaining full range of motion for natural arm swing.

In cool temperatures — think around 40-50 degrees Fahrenheit — the Skyflow shines as a standalone outer layer over a base layer or light shirt. It traps just enough warmth to take the edge off chilly air without causing overheating during sustained efforts. When temperatures dip into the 30s, it works beautifully as a wind-blocking shell over warmer mid-layers.

The water repellency handles light rain and drizzle effectively, beading moisture off the surface for 30 to 45 minutes of protection. However, it’s important to note this isn’t a waterproof rain jacket. Strong rain or sustained downpours will eventually penetrate the jacket. But for passing light rain and brief showers common during spring and fall running seasons, it provides adequate coverage.

Who should use the HOKA Skyflow?

The Skyflow is ideally suited for runners who log consistent mileage regardless of weather conditions. If you’re someone who checks the forecast and often thinks, “It’s fine, I’ll just tough it out,” this jacket changes that calculation entirely. It’s so light and packable that there’s zero reason not to bring it along.

Trail runners and ultralight hikers will particularly appreciate the packability factor. Toss it in your vest or pack, and you’ve got reliable wind and weather protection that won’t noticeably affect your load. The jacket transitions seamlessly from road to trail, handling everything from morning 5Ks to all-day mountain adventures.

Minimalist runners who prefer to carry less will find the Skyflow aligns perfectly with their philosophy. It replaces multiple “what if” layers with one versatile piece that handles the majority of variable weather scenarios. Commuter runners cycling between home, work and training runs will value having professional-looking protection that packs small enough to fit in a desk drawer or gym locker.

However, if you regularly run in sustained heavy rain or need serious insulation for winter training, you’ll want to supplement the Skyflow with more robust options. Think of it as your go-to for 70% of running conditions rather than a do-everything jacket.

The HOKA Skyflow running jacket delivers on its promise of ultralight, packable weather protection without compromise. For runners seeking reliable performance in a barely-there package, it’s an investment that quickly becomes indispensable.

HOKA Skyflow delivers comfort

Whenever I test gear, it’s a good sign that I forget what I’m wearing. After all, that means that the item is comfortable from the start. That was the case with the HOKA Skyflow jacket. Trust me, you’ll forget you’re wearing it until conditions demand its protection.

Comfort in a running jacket extends beyond just fit.

It’s also about thoughtful details that enhance the wearing experience. The Skyflow excels here with its one-point adjustable hood, featuring a silicone-capped bungee cord that allows for quick, on-the-fly adjustments. Whether you need to cinch the hood down against driving rain or loosen it for better peripheral vision on technical trails, the system works smoothly even with gloved hands.

The secure zippered chest pocket offers convenient storage for essentials like keys, gels, or a phone, positioned high enough that it won’t interfere with a running belt or vest. The zipper operates smoothly and stays put during vigorous activity, eliminating the frustration of items bouncing around or the pocket creeping open.

At just 3.7 ounces — weighing less than a standard deck of cards — for a men’s size medium, the Skyflow virtually disappears on your body. The lightweight construction also means it dries remarkably fast, if you do get caught in heavier rain.

The minimalist design eliminates unnecessary bulk while retaining essential functionality. There are no excessive pockets, heavy zippers, or decorative elements weighing you down. What remains is pure performance-driven design that serves runners, trail enthusiasts and hikers equally well.

How durable is the HOKA Skyflow jacket?

Given its featherweight construction, runners might question whether the Skyflow can withstand the rigors of regular training. The answer is yes when used appropriately for an ultralight garment.

The ripstop nylon fabric is the key to the jacket’s durability equation. This weaving technique creates a grid pattern that prevents tears from spreading, meaning a small snag won’t unravel into a larger problem. During testing across various terrains, the Skyflow has proven resilient against branches, brush, and the general wear-and-tear of trail running, hiking and outdoor activities.

That said, this isn’t a burlier softshell designed for bushwhacking or scrambling over sharp rocks. The fabric is thin by design, prioritizing weight savings over bombproof construction. Treat it with reasonable care. Don’t stuff it carelessly into packs with sharp objects, and be mindful when navigating dense vegetation or technical terrain.

The jacket is made with a DWR treatment that provides increased weather resistance. The water-repellent treatment maintains its effectiveness through multiple washes, though like all DWR coatings, it will eventually diminish with heavy use. Reapplying a spray-on water repellent treatment can extend the jacket’s weather-resistant properties significantly.

Seams and stitching show excellent quality control, with no loose threads or weak points evident. The zipper operates smoothly and shows no signs of catching or failing. The silicone-capped bungee cord system remains functional and responsive, without the degradation common in cheaper adjustable hoods.

For an ultralight jacket at this price point, the Skyflow delivers impressive longevity. With proper care — washing on gentle cycles, air drying, and storing it loosely rather than perpetually compressed — you can expect several seasons of reliable performance. It’s a jacket designed for frequent use rather than occasional emergency backup, and the construction quality reflects that commitment.

Frequently Asked Questions: HOKA Skyflow running jacket

How much does the HOKA Skyflow weigh?

The HOKA Skyflow weighs just 3.7 ounces in a men’s size medium, making it one of the lightest running jackets available. It’s so light you’ll barely notice you’re carrying it, even when packed away.

Is the HOKA Skyflow waterproof?

No, the Skyflow is water-repellent, not waterproof. It effectively handles light rain and drizzle for 30 to 45 minutes, but sustained heavy downpours will eventually penetrate the fabric. Think of it as excellent protection against variable weather rather than a dedicated rain jacket.

Is the HOKA Skyflow easy to bring along on a run?

Yes, the Skyflow packs completely into its zippered chest pocket, compressing to roughly the size of a tennis ball. This makes it incredibly convenient to stash in a running vest, hydration pack, or even a large pocket when not in use.

What temperature range is the HOKA Skyflow best for?

The Skyflow performs best in temperatures ranging from the low 30s to mid-50s Fahrenheit. In the 40s to low 50s, it works perfectly as a standalone outer layer. In the 30s, layer it over warmer base layers for optimal comfort.

Does the HOKA Skyflow run true to size?

Yes, the Skyflow runs true to size with an athletic cut designed to fit close to the body without restricting movement. The fit allows room for a base layer or light long-sleeve shirt underneath while maintaining a streamlined profile that cuts through wind effectively.

How noisy is the fabric?

The Skyflow features noise-free fabric technology, meaning it produces virtually no rustling sound during movement. This is a significant advantage over traditional windbreakers that create distracting noise with every arm swing.

Is the HOKA Skyflow durable enough for trail running?

Absolutely. The ripstop nylon construction resists tears and snags effectively, making it suitable for trail running and hiking. While it’s not designed for intense bushwhacking, it handles typical trail conditions, brush, and branches admirably for an ultralight jacket.

How do I care for my HOKA Skyflow jacket?

Machine wash on a gentle cycle with cold water and air dry. Avoid fabric softeners, which can diminish the water-repellent treatment. When the DWR coating begins to fade, you can reapply a spray-on water repellent to restore its weather-resistant properties.

Can I wear the HOKA Skyflow for activities other than running?

Yes, the Skyflow is versatile enough for hiking, cycling, fastpacking and general outdoor activities where ultralight weather protection is needed. Its packability and weight make it ideal for any activity where you want emergency weather coverage without bulk.

How does the hood adjustment work?

The hood features a one-point adjustable system with a silicone-capped bungee cord located at the back. Simply pull the cord to tighten or release to loosen. It’s easy to adjust on the move, even while wearing gloves.

For more reviews on running shoes and other gear, visit this page on my website.