Raide Women’s LF 2L Review: Finally, a Women’s-Specific Running Belt

The Problem With Running Belts: One Size Does Not Fit All

I've been baffled that no brand had developed a women’s-specific running belt prior to Raide. Because running belts are worn around the waist, one of two areas on the body where male and female figures tend to differ the most—the other being in the chest and shoulders—making this increasingly popular running accessory in gender-specific designs is obvious. (Athleta makes a belt that's ostensibly just for women, since it doesn't manufacture men’s apparel, but nothing about the fit specs suggests any gender design specificity.)

The women's update to Raide's original LF 2L belt, which has been very well-received, was explicitly designed to address this fit issue. As one of two exciting female-first products that Raide recently launched (the second being a compressive cargo tank with a liter of back-panel storage and an integrated sports bra), the upstart brand is taking a lead position at the pointy end of running gear innovation.

Tailoring Raide’s Innovative Running Belt Design for Women

The Women’s LF 2L builds on the no-vest-no-problem premise of Raide’s original (unisex) LF 2L belt. Released in 2024, less than a year after Raide launched with a backcountry ski backpack, the LF 2L employs a far more sophisticated and technical design than most running belts to give runners more carrying capacity without bounce. I’ve maxed it out with the (included) 650-milliliter flask, a packable windshell, gloves, 1,000 calories of Nerds Clusters, my phone, earbuds, a headlamp, and an ice axe secured through the rear bungee loops. Raide makes a running vest now too—we've tested it; it's excellent—but the company's founder, Kyle Siegel, remains adamant that the LF 2L is wholly adequate for long days in the mountains.

At six inches across, the back panel on both LF 2L models is noticeably taller than most running belts. This is the first half of Raide’s no-bounce equation: the taller back panel houses four vertical, semi-rigid plastic stays and a perforated foam insert. This extra scaffolding and the belt’s stretch-woven ripstop UHMWPE fabric provide more structure than simpler tube-style belts made of stretchy materials that lack reinforcement.

The second part of Raide’s no-bounce equation is the LF 2L’s suspension system. While the belt may, on its surface, mimic other belt styles by incorporating front and rear pouches, Siegel engineered a unique closure system to maintain tension using “wings” extending from the sides of the rear pouch (which is sewn shut underneath). These wings stretch around the runner's hips and cinch down with Velcro straps up front, creating stabilizing tension on whatever is carried in the rear pouch.

For all of its smart design and impressive no-bounce ride, the original LF 2L has one quirk: putting it on. If you've worn Raide’s innovative belt, you're familiar with the wedgie-inducing shimmy required to get into the dang thing. The original is essentially a continuous tube, with some adjustability in the Velcro, and the material has some stretch but not a lot. Wriggling into it calls to mind the final breath-holding moment of pulling on a pair of skinny jeans, an experience perhaps now only familiar to millennials who spent the 2000s listening to The Strokes and burning through pairs of checkered Vans. As one's hip-to-waist ratio grows, the LF 2L acrobatics get even more awkward.

Raide is aware, and this is where the Women’s LF 2L diverges from the original. Instead of using a continuous design, the Women’s LF 2L opens completely at the left hip with a vertical plastic slider bar. Once in place, the suspension system is similar to the original LF 2L, but the straps that wrap around from the rear pouch secure inside the front pouch with a buckle, like a seatbelt. Once fastened, the wearer can adjust the belt with the two Velcro straps.

Now we're getting technical: Raide’s size charts provide flat measurements for the original and women’s LF 2L belts. Laid flat, the original model has a two-inch difference between the top and bottom measurements across its sizes, which translates to a four-inch taper between actual circumferences. In contrast, the top opening of the Women’s LF 2L is 2.5 inches narrower than the bottom, creating a five-inch taper—and the increased exaggeration is meant to create a more comfortable and secure fit for wider hips.

The sizing of the Women’s LF 2L has also been stepped down to complement the women’s belt-breakable design, as Raide found many women were purchasing one size up in the original belt just to get it on. The women’s XS now starts at 12.25 inches across the top and 15.25 inches across the bottom when laid flat, while the equivalent XS in the men’s measures 13.25 inches and 15.25 inches, respectively.

Aside from reengineering key fit elements, other features from the original LF 2L carry over. The two small interior gel pockets in the front pouch of the original LF 2L get upgraded in the women’s version with zipper closures, but the 2.5-millimeter pole and axe bungees, the rear pouch snap closure for securing a flask, and Raide’s reflective logo all remain the same.

Raide Women’s LF 2L Review

A Running Vest Replacement

I spent a lot of time in the original Raide LF 2L before the women’s version came out. Compared to other running belts I'd worn, Raide’s version was easily superior: the LF 2L makes good on its no-bounce promise, and, with two liters of storage, I could confidently carry everything I needed for a longer outing in the mountains. No vest, no problem. The women’s version is equally impressive. With Rocky Mountain National Park just out my back door, the Women’s LF 2L has become my go-to when summiting Longs Peak, the park’s crown jewel and only 14er.

At roughly 10 miles round trip with close to 5,000 feet of elevation gain, a lap up Longs is a full-value day, and its variable alpine conditions mean that I always carry an extra layer (and ample snacks). This summer, my Longs packing list using the Women’s LF 2L has included: the small and packable La Sportiva Freeway Wind Jacket; the 650mL Hydrapak flask that comes with the belt topped with a Katadyn BeFree filter cap; a pair of lightweight gloves; my phone and earbuds; and a variety of gels, candy, and bars. For ascents during shoulder seasons in June and September when higher parts of the mountain may be crusted with verglas, I've also managed to squeeze in a pair of Kahtoola microspikes.

The Women's LF 2L slider bar in action

Putting It On

There is an order of operations required to fasten the women’s belt—secure the slider, thread the left strap through the front pouch, clip the buckle, adjust each Velcro strap—and it takes some practice before it becomes muscle memory. My only criticism of the design is that I wish there was a way to open the front pouch fully, with a snap or magnet maybe, to make it easier to see and manipulate the buckle. It’s a minor nitpick, but the front pouch feels a little bit like a black hole; I found securing the buckle required some blind fumbling and, for the first few weeks of testing, I didn’t realize that the micro interior pockets, with their new black zippers, were still there.

Fit

The fit of the original unisex LF 2L was never ideal for me, but I didn’t realize how much better a women’s version could be until I started testing Raide’s female-first update. I tended to wear the OG model more low-slung, down around my hips, in a place where the circumference of my body was more uniform. And the tight wriggle into the original always made for a self-conscious moment at trailheads.

I was excited to see the consideration Raide put into revamping the design for women. It's an acknowledgement that often gets overlooked in the outdoor industry: sometimes women need different gear. The concept of unisex design seems seductively simple on the surface, but based on my experiences with a lot of unisex products, I'm not a fan. It's too much to ask of a single shirt or pair of shorts—or belt—to accommodate the gamut of body types that might, on paper, qualify as a size medium. Especially if we're talking about technical outdoor apparel, where improper fit can hinder experience and performance. Case in point: I’ve tried plenty of running vests where even the smallest unisex size available resulted in chafing from the vest straps—fully cinched down—bouncing against my collarbones.

I’ve been testing Raide’s Women’s LF 2L in a size small, and it fits great (I'm usually a size small in running shorts). With the more accentuated taper between the top and bottom opening circumferences, I’m able to run with the belt higher up, around my natural waist, where Raide intends it to be worn. And with the fully openable design, I no longer have to endure the skinny jean shimmy at the start of a run. In addition to accessing everything without the hassle of removing a vest, I also appreciate that Raide’s belt allows the weight of any water and other gear to ride lower, close to my core and hips and nearer to the body’s primary stabilizing muscles.

Durability

I’ve only had the women’s update for a few months, but I can attest to the durability of the fabric based on how well my original LF 2L has held up—after two years, it still shows barely any wear aside from some salt stains. Of course, the lightweight but ultra-strong material that Raide uses—Ultra High Molecular Weight Polyethylene (UHMWPE), of which Dyneema is a name-brand example—certainly accounts for the LF 2L’s $149 price tag, which costs significantly more than many other running belts on the market but is comparable to an emerging breed of heavily featured models.

Alternatives

Few running belts compare to the Raide Women’s LF 2L. A large part of Raide’s current vanguard reputation in the running space can be chalked up to the original LF 2L’s engineered stability—the design really is no-bounce. While many running belts on the market still resemble a traditional fanny pack with thin closure straps that attach to a primary pouch, and others are flimsy mesh tubes, I found three belts currently available that could be considered true competitors in capacity and function to the Women’s LF 2L.

Osprey Duro Dyna Pro Running Belt ($60)

Osprey’s Duro Dyna Pro Running Belt ($60, does not include a flask) resembles Raide’s belt with the taller back panel and a removable WingStay stabilizer (Osprey’s belt measures 5.5 inches in height, though the specifics of the stabilizer material are not provided). It boasts a two-liter capacity, but the Duro Dyna does not offer continuous storage around the waist. Instead of a long front pouch, the Duro Dyna utilizes two hook-and-bungee closures on the front that are framed by front hip pockets. This closure design solves the awkward problem of getting the belt on, but (not having tested it) I have doubts whether these straps would truly eliminate bounce, and I worry that the concentrated pressure of the thin bungees could cause irritation.

The Duro Dyna is also a unisex design (Duro and Dyna being a mash-up of the names of Osprey’s Men’s and Women’s Running Vest lines, respectively), with the bungee closures offering eight inches of independent adjustability for the top and bottom straps for the two sizes offered. The S/M can be adjusted from 24 to 32 inches (or 12 to 16 inches when flat), and the M/L can be adjusted from 32 to 40 inches (16 to 20 inches flat). Lastly, the Duro Dyna is made from 100% recycled polyester airmesh and, for the main material, a blend of 86% 75D polyester (100% recycled) and 14% spandex. Without a long-term test window, I can’t speak to how this material stacks up against Raide’s UHMWPE-reinforced ripstop.

Dera Running B01 ($129)

Dera’s B01 Trail Running Belt ($129, 575 mL flask included) is the first belt to implement dial hardware for fit adjustment. The B01 features a split front pouch with distinct right and left pockets, and the main rear storage compartment is a pass-through sleeve, accessed from the side and designed for a flask. Other notable storage includes a small rear zippered pocket and a waterproof pocket (inside the front right pocket) for things that you don’t want to sweat-soak, like electrolyte tablets. The B01’s UHMWPE grid stretch fabric construction is similar but more elastic than the LF 2L, and the B01 is quite a bit lighter, perhaps because Dera’s design doesn’t include any extra structural rigidity. The XS B01 (the most comparable in size to the one I tested from Raide) weighs just 108 grams (3.8 oz), as compared to the small Women’s LF 2L’s 150 grams (5.3 oz).

I'm intrigued by the B01’s dial tensioning system. It seems like a sleek vehicle for adding fine-tuned adjustability, and it's a clever way of borrowing technology that we’re used to seeing elsewhere. Still, without having run in the B01 myself, I have some reservations. For starters, based on my experience with dial closures on my cycling shoes, I know that they can fail, either catastrophically or by annoyingly small degrees. Raide’s “analog” design may be a bit heavier, but I have a harder time imagining the buckle on the Women’s LF 2L breaking than I do a dial system failing. Call me a luddite.

I also wonder how the dial and tensioning mechanism of Dera’s belt distributes pressure; the wide profile of Raide’s stabilizing wing design means that pressure is evenly distributed around the torso, but dial hardware typically uses a thin cable or woven nylon strand that seems poised to chafe the hip bones, or potentially lead to wear-holes in the belt’s fabric.

UltrAspire Mountain Racer Waist Pack ($125)

The fact that UltrAspire dubs their three-liter belt a “waist pack” illustrates the way that brands want runners to see high-capacity belts: as an alternative to running packs and vests. Available in four sizes (small to extra large), the Mountain Racer Waist Pack has a construction similar to the original Raide LF 2L, and it's just a bit heavier (6.2 ounces for the size medium, compared to Raide’s 5.5-ounce medium). The Mountain Racer Waist Pack is made from a high-density 30% UHMWPE ripstop blend and features front and rear kangaroo pouches, two small secure internal pockets, plus two side pouches. The pack also has removable bungee pole attachment points and external cord straps for tightening the belt. Additionally, this model from UltrAspire is compatible with the brand’s Light Bracket accessory, which attaches to the front of the belt and pairs with a handful of their lighting options. While the Mountain Racer Waist Pack may offer a compelling—and higher capacity alternative—to the LF 2L, the measurements use the same hip-to-waist ratio as Raide’s unisex design. In short, the fit isn’t tailored for women. The continuous tube design also means that you’ll need to queue up Room on Fire and be ready to shimmy like it’s 2003 whenever you put the belt on.

Final Verdict

I reach for the Women’s LF 2L for any run where I want to carry more than just my phone. While striding out on roads or doing the pitter-patter dance demanded by technical terrain, the Women’s LF 2L disappears, which is exactly the kind of magic trick you want from your gear: to do its job so you can keep your focus on the trail ahead. I have high hopes that we will continue to see more products with such considered details from Raide—it seems they’ve got a good lead on the competition and intend to run with it.