Brand: Raide Research

    Category: Running Hydration Belts

    Recommended by John Bruno, Ultra trail-runner, ski mountaineer — Aspen Colorado (:

    Highlights: lightweight, durable

    The LF 2L is an innovative running belt designed to provide unparalleled freedom and comfort during your runs. With its unique bounceless design and included hydration flask, it allows you to focus on your performance without the distraction of bulky gear. 1. Bounceless design ensures a secure fit, eliminating distractions while running. 2. Integrated suspension system stabilizes the back pocket for smooth movement. 3. Comes with a 650mL Hydrapak flask featuring a locking cap for leak-proof hydration. 4. Lightweight and compact, making it easy to carry on long runs or trails. 5. Patent pending technology that sets a new standard for running belts. 6. Versatile enough to replace traditional vests for most running activities. 7. Durable materials designed to withstand the rigors of outdoor use. The LF 2L is ideal for runners seeking a lightweight and efficient hydration solution during trail running, long-distance races, or daily training sessions. It performs best in various outdoor conditions, from rugged trails to urban environments, catering to both novice and experienced athletes. This product excels in scenarios where minimal gear is essential, allowing for a more natural running experience, especially in warmer seasons when hydration is crucial.

    Price: $149

    Who it's for
    Runners who want vest-free carry for training runs through longer races (up to 50K+), especially on trails and alpine terrain. Works best for efforts where drop bags or minimal kit can cover gaps in capacity.
    What people are saying
    Hosts consistently praise the no-bounce, no-chafe fit and the tendency to forget it's on. Durability gets strong marks across multiple notes, with several hosts reporting 12–18+ months of heavy use with no issues.
    Worth noting
    Noted as pricey, and one host flags it's awkward to get on and off. Capacity can be stretched (raincoat, poles, two flasks reported), but it has limits — one host added buttons to maximize carry.

    John Bruno's review

    This running belt is my go to for slightly longer outings where I want to carry exactly what I need, but still be extremely light. I’ve run 20-25 mile, big-mountain routes with just this belt. No bounce, no chafe, no nonsense.

    Recommended by John Bruno, Ultra trail-runner, ski mountaineer

    Frequently asked questions

    Who is the LF 2L for?

    Runners who want vest-free carry for training runs through longer races (up to 50K+), especially on trails and alpine terrain. Works best for efforts where drop bags or minimal kit can cover gaps in capacity.

    What do experts say about the LF 2L?

    Hosts consistently praise the no-bounce, no-chafe fit and the tendency to forget it's on. Durability gets strong marks across multiple notes, with several hosts reporting 12–18+ months of heavy use with no issues.

    What should you know before buying the LF 2L?

    Noted as pricey, and one host flags it's awkward to get on and off. Capacity can be stretched (raincoat, poles, two flasks reported), but it has limits — one host added buttons to maximize carry.

    What does John Bruno say about the LF 2L?

    This running belt is my go to for slightly longer outings where I want to carry exactly what I need, but still be extremely light. I’ve run 20-25 mile, big-mountain routes with just this belt. No bounce, no chafe, no nonsense.

    Why does John Bruno recommend Raide Research?

    John Bruno recommends the Raide Research LF 2L for running hydration belts. This running belt is my go to for slightly longer outings where I want to carry exactly what I need, but still be extremely light. I’ve run 20-25 mile, big-mountain routes with just this belt. No bounce, no chafe, no nonsense.

    Is the LF 2L a good running hydration belt?

    Yes — John Bruno recommends the LF 2L by Raide Research as their running hydration belts pick. This running belt is my go to for slightly longer outings where I want to carry exactly what I need, but still be extremely light. I’ve run 20-25 mile, big-mountain routes with just this belt. No bounce, no chafe, no nonsense.

    More from John Bruno's Trail running

    View John Bruno's expert gear recommendations on Rendezvu

    What other hosts are saying

    10 experts recommend the Raide Research LF 2L.

    Bennett Levine, Backcountry Skier and Trail Runner

    Been rocking this belt since it's first iteration. Many miles and wear, still holding up. I modified it by adding 3 buttons to the belt to max out carry capacity. Pricey but gets the job done. If I'm avoiding my vest, I'm bring my Raide LF 2L

    Recommended in Go to Gear

    Daniel Curts, Mountain Runner

    For days when I need to bring a little extra

    Recommended in Training Day!

    Benji Wiederkehr, Mountain Ultra Runner

    Fits essentials, calories, and one 500ml flask for 2–4 hours of high-alpine mountain running in fair conditions.

    Recommended in Mountain Running Carrying Systems

    Maggie Perkins, Runner and Professional Wildflower Admirer

    Perfect for your 3-7 mile training runs when you need some water, a snack, and maybe a layer. It's awkward to get on and off, but once it's on, this puppy ain't going anywhere.

    Recommended in Running Tried and Trues

    Dylan Flewelling, Ultra runner and coach

    The perfect belt for carrying hydration and fueling for 2-3 hour runs. With the adjustable design, I often forget I am wearing it.

    Recommended in My gear

    Donnie Orr, Ultra Chef

    Absolute best piece of gear I have added in years! 18 months as my daily and long distance go to and holding up great!!!

    Recommended in Trail Running Gear

    Allen Au, Exceptional Amateur

    When you don't want to run in a vest, this is great. I've done 25ks, 50ks, and 60ks in it, and can probably do a 50M if I have drop bags for other stuff. I've even ran with a raincoat and poles stuffed in it.

    Recommended in 2026 - Trail Season Kit

    Gunnar Barrera, Trail and Mountain Runner

    Comfortable, no chafing, and zero bounce. This this carries all you need without any issues.

    Recommended in Products I Actually Use

    Matt Trappe, Brand Creative in Running

    I was never a belt guy and now this comes on every run with me. I carry two bottles (1.2L) plus my phone, keys and a gel. I forget I'm even wearing it. It's lasted over a year and is still in great shape. Can't recommend it enough.

    Recommended in My Go-To Trail Running Gear