spibelt vs flipbelt lying side by side

SPIbelt vs FlipBelt: Which One’s Actually Better?

Did your first run start with“hang on, where do I put my phone?”.

And then you felt a little silly running around with it in your hand?

There are loads of great storage solutions like bands, a vest, or a watch.

But my personal favorite is the running belt.

There are plenty to choose from, but SPIbelt vs FlipBelt gets talked about most at my club.

I wanted to know which one is actually worth your money, so I’ve been vigorously testing both for the past few weeks.

Whether you race regularly or just enjoy a jog, let’s find the right belt for you.

Quick Take

If you want to skip the details:

spibelt showing phone storage

SPIbelt Original Running Belt

Quick Take:

Simple, adjustable, great if you only carry your phone and keys.

flipbelt showing phone storage

FlipBelt Classic Running Belt

Quick Take:

More storage, stays put on long runs, and feels a bit more premium.

But if you want to know how they actually feel during runs, here’s what I found.

How I Tested Them

SPIbelt vs FlipBelt Comparison Table

FeatureSPIbeltFlipBelt
FitAdjustable strapFixed size (step-in)
Storage1 zip pocketMultiple openings
BounceBest when lightBest when loaded
ComfortLightweightSoft and snug
WashabilityEasyEasy (but gets sweatier)
Price~$25~$35–45
Best ForShort runs, racingLong runs, marathon training

Fit and Adjustability

The first thing you’ll notice: they fit totally differently.

The SPIbelt has an adjustable strap and buckle. You clip it on, tighten it to your waist, and off you go. It’s small, light, and you barely notice it once you start running.

SPIbelt showing the buckle and the adjustable strap.
▪The SPIbelt has a simple buckle with an adjustable strap.

It can be adjusted to fit waist sizes 25″ to 47″, allowing it to fit over a jacket or hug your waist tightly on a hot day.

The FlipBelt, on the other hand, is a fabric tube. You step into it like a waistband – no buckles, no clips, no adjustment. That means you have to get the right size.

Too loose, and it’ll slide around. Too tight, and it’ll be really uncomfortable, or you’ll struggle to get it on altogether.

Single loop Flipbelt that doesn't adjust, but has a bit of stretch.
▪ The Flipbelt doesn’t adjust, but has a bit of stretch.

My waist size is around 32″ and I chose a small. It fit well around my waist, but was a little tight on my hips. If you prefer to run with it lower down, I’d size up.

👉 Winner: SPIbelt, purely because it’s adjustable.

Storage

Big Big difference here.

The SPIbelt has one stretchy zip pocket on the front. It’s big enough for any large phone (like the iPhone 17), but that’s pretty much it. I fit my phone and a gel in it, and you could probably cram your card and key in as well. But if you like to pull your phone out during a run, everything else is at risk of falling out.

A phone and a gel, which is the most I could comfortably fit in the SIPbelt.
▪ My phone and a gel were the most I could comfortably fit in the SIPbelt.

The FlipBelt was completely the opposite. It has 2 pockets, one on the front and one on the back, with 4 openings, on each side of the pockets. This means you can grab things out of the belt without pulling everything else out.

Flipbelt pocket openings with storage coming out of both sides.
▪ Pocket openings on both sides make grabbing what you want easy.

I fit my phone, 3 gels (rather than one), and a 500ml water bottle. You could also easily fit your keys and a card in as well.

I really dislike the running bottles that you carry in your hand. I get sweaty pretty quickly, so I have to grip tighter and tighter. They can also make me feel lopsided, especially at the start when they’re full.

The Flipbelt is a great fix for this, with the water bottle tucked out of the way on your back in a central position. They also do their own curved water bottle, which slides out a little easier.

Three gels, my phone and a water bottle easily fit in the Flipbelt.
▪ Three gels, my phone, and a water bottle easily fit in the Flipbelt.

You can spread the weight around your waist so it doesn’t all bounce in one spot. There’s also a little clip inside for your keys, and if you flip the belt inside out, everything sits securely against your body (where it gets its name!).

👉 Winner: FlipBelt by a mile. If you’re marathon training or just like having snacks, it’s the better choice.

Bounce and Stability

Nobody wants a belt that bounces like a yo-yo.

I tested both on everything from short 5Ks to long weekend runs.

SPIbelt: When it’s light (just a phone), it’s brilliant. Zero bounce. But once you add gels or anything bulky, it starts to move around a bit. Not awful, just noticeable.

FlipBelt: When empty, it can slide a little, but once you’ve got your gear inside, it locks in place. Because the weight is spread out, it doesn’t jiggle or slap. Even with a soft flask tucked in, it stayed solid.

👉 Winner: FlipBelt. It’s just more stable when loaded up.

Comfort and Feel

SPIbelt: Small, simple, and easy to forget about. But if you tighten it too much or wear it under multiple layers, the narrow band can dig in slightly.

FlipBelt: Feels more like a piece of running kit than an accessory. It’s soft, wide, and doesn’t chafe. The trade-off? It gets sweaty. I rinse it after every run and it dries quickly, but it’s not the type of thing you want to leave sitting in your gym bag overnight.

👉 Winner: FlipBelt. It feels nicer and more natural to wear, even if it needs a bit more maintenance.

Durability and Cleaning

I’ve run with both for a few weeks and washed them multiple times.

SPIbelt: Still looks brand new. The elastic hasn’t stretched and the zipper runs smoothly.

cleaning the spibelt

FlipBelt: Also holding up great. The fabric hasn’t faded or lost shape, though it does soak up sweat more.

cleaning the flipbelt

👉 Winner: Draw. Both feel like they’ll last for years.

Price and Value

  • SPIbelt Original: Around $25
  • FlipBelt Classic: Around $35–45

👉 Verdict: SPIbelt wins on price. FlipBelt costs more, but if you need the storage, it’s worth the extra few bucks.

So Which One’s Better?

Honestly? It depends on your running style.

  • If you’re a minimalist, just carrying your phone and a key – go for the SPIbelt.
  • If you’re running longer miles, need gels, or want something that doesn’t budge – go for the FlipBelt.
  • I actually use both: SPIbelt for short tempo runs, FlipBelt for anything over an hour.

Either way, both solve the same annoying problem – keeping your stuff in place without bounce.

Final Thoughts

After testing both, I’d say the FlipBelt is the one I grab most often. It just feels more comfortable and practical for longer runs. But I still think every runner would be happy with either. It really comes down to how much you carry.

FAQ

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