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Get into your groove! Reduce bouncing and chafing with our unique soft bottle carry system! Also available without bottles.
Having run with UD water belts for well over 20 years, I was pleased to find the Stereo that promised comfort and capacity. Mostly this is so, but the body bottles have a pretty sharp edge along the seam side, so I find I have to make sure I put them in with the seam side out, otherwise they chaff. Also, there are two buckles that hit right on my hipbones if I put the pack on straight, so I have to twist it to make it OK. It also says that you can't launder the pack, but have to sponge it clean with plain water. That's not going to cut it living in Phoenix (it's hot here), so I'll launder it on gentle like I have every other UD pack I've had and hang it to dry. I assume it'll be OK, otherwise I'll return it. Peter Flanagan-Hyde on Jul 5th 2017
I'm a bigger guy with some extra baggage around the middle so running belts were either uncomfortably tight and cut into me or they bounced so bad I couldn't run with it.
This belt has lots of storage, lots of water, and sits so comfortably on me. It's perfect for all race lengths since i can still wear a vest with it. Very happy runner! Mike on Apr 3rd 2017
I found this system to be extremely comfortable. I've never worn a belt system that I liked, but I like this one! The easily adjustable, wide belt give a perfect fit to anyone!
The difficulty, for me, was the in taking out and putting in the flex bottles. That'll take some practice. That aside, I am enjoying having this system as part of my options. Joey on Nov 22nd 2016
For the past 2 1/2 years I have done most of my running in the Jenny Vesta. I love my Vesta! Many people have bought them after seeing mine so often. It has carried me through 6 full marathons, 2 ultras, and numerous half marathons. But from time to time I would rather have a belt. I have tried a number of them and they never sit quite right. They ride up or spin as I run or just don't carry everything I need. Since I am getting ready to run the New York City Marathon, I needed a non-vest hydration solution and since UD kindled my love affair with the vest, I looked at what they had to offer in belts.
I have already tested my Stereo belt out on 7 miles of hill repeats as well as my first long run of my training. I had no trouble with the belt on the 18 mile run. It stayed put after a little adjustment and held all of my stuff. It is easy to adjust and tighten while running. The bottles are easy to remove for drinking as well as refilling. It is just as light weight as my vest. The quality of Ultimate Direction products is outstanding and I look forward to using the Stereo belt for years to come. ( But never fear Jenny Vesta..you will still get to come out on runs too!) Valerie on Sep 19th 2016
Finally, a hydration waist belt that carries a lot of stuff, plenty of water (1 liter), and doesn't jiggle. It's very comfortable, well-made and light, and easy to get the bottles in and out. The two soft bottles are the way to go! Love it. I've tried many waist hydration belts and this is the best. It's the first waist belt that I don't have to cinch down painfullly tight to avoid the jigglies. A bit pricey but I don't mind paying for quality.
My only concern is that it fastens with velcro, and velcro ALWAYS wears out eventually, long before the pack wears out. Make it with a buckle or clip fastener and it will be ideal. PerfesserR on Sep 14th 2016
I bought the entire Ultimate Direction Groove System (AMP, Mono belt, and Stereo belt) in May for my fall marathon's summer training. It gets hot and very humid in Southwestern Pennsylvania, so I opted to go with the Groove system because I thought they'd be cooler than the vests. I bought the entire system for a few reasons--I have a big cell phone, I'm not a fast runner and like the idea of having extra water with me, and a few others. Here's what I've learned about these products after three months of long, medium, and short runs.
Yes, it takes a few runs to get used to to what another reviewer called the "soggy baguette" feeling of a half full bottle. The body bottles are soft and have no structure when they are empty. However, after 3 or 4 runs I really didn't notice a problem. I adjusted to the feel and it's no longer a problem. I like the ability to strap the AMP to my hand with the "X" shaped straps on the back; however, as the bottle is consumed, I find that I don't use the straps and move the bottle from my right to left hand as I go. Whatever is comfortable. Again, I love a handheld and feel strange running outside without one--even take one with me on 5K's! The two pockets on the outside are about the size of a gel pack each and there's a small velcro pocket on the bottom big enough for a few electrolyte capsules. I don't use gels, and since the side pockets don't have closures, I really don't use them for anything. I have put my car key in the side pocket and clipped it to one of the bottle straps for fear of loosing it.
So, for the AMP--I love it.
The MONO Belt:
I bought this belt because I have a Samsung Galaxy Note 5. It's a big phone, but when you add the case, it's even bigger. The description of the Mono says it's iPhone 6 Plus compatible (which is about the same size as my Samsung) so I bought the belt more for carrying my phone than carrying water. It fits great, doesn't bounce and has a small velcro pouch on the right side that holds my car key perfect--I think it's meant for electrolyte capsules. The zippered pocket is moisture proof will hold my phone outside of the phone case. It won't fit with the case on. However, the outside pouch that's meant for the water bottle holds my phone perfect. If there's a slight chance of rain, I put my phone in a zip lock bag ad don't worry about it. The front part of the belt can be swapped out for the front part of the Stereo belt that has pockets and creates a new system. I use the combined system occasionally because my phone does fit in the front pocket of the Stereo and I can carry an extra bottle of water in the Mono portion.
So, the Mono--I love it.
I bought the Stereo with the bottles. My older, rigid UD bottles will fit in the Stereo without a problem, but I liked the idea of the Body Bottles fitting up against me and reducing bounce. The Body Bottles aren't cheap by themselves, and there's a definite cost savings buying the belt with the bottles. The belt fits well and doesn't bounce. My phone fits in the front zipper pocket, albeit a snug fit, but it fits without fear of damaging the belt. The front pouch also has two pouches that would be great for gels or such. I use one for my electrolyte capsules and the other is usually empty. The back portion of the belt holds two body bottles and has a zippered pouch that will hould a fair amount for a belt. I put a 300 ml soft flask with my nutrition in this pouch on my long runs and it fits without a problem. When my hand held is empty, I blow it up with air and swap it out for a full bottle from the Stereo--blowing it up makes it easier to get in and out of the belt. On my really long runs, three bottles aren't enough, so I have to plan having a place to fill up my empties--a water fountain, convenience store, or even circling back to my truck.
So, the Stereo belt--You guessed it.... I love it.
I really can't find anything about the Groove system that I don't like. The bottles do warm up pretty fast (I'm guessing it's because of the thin nature of the bottle and lack of insulation,) but since I only put water in them it hasn't been an issue.
Hope this review helps you in your decision!!! Brad on Aug 15th 2016
It made me cringe to lighten my wallet by this much, the Groove Stereo is a dream come true for a running belt. I very much like Ultimate Direction's product lines, and I've had success with the Jurek Essential belt as a phone carrier, and the Access 20 Plus as a water back in the past. I'm a marathoner and typically spend 70-80 miles/week running, and the Access 20 was perfect for everything I've needed in the past. Unfortunately, despite being used to running in 90+ degree heat, I now find myself in a new location where the temperature and the humidity are both in the triple-digits. The 20oz of water I have in my Access 20 aren't enough to get me through anything more than a short run without having to stop and refill.
After some research, I settled on the Groove Stereo as a way to increase my water capacity to 34oz with the soft flasks, and it has worked perfectly. Its inaugural run was a 10-miler in 101 degree heat, and having those extra ounces to drink were worth their weight in gold. Even better, the twin bottle design let me fill one with sports drink and have the other one to dump water on my head. After freezing a half-full bottle the night before, it was a welcome relief to have cool water on my face after a few sweaty miles.
I have some mixed feelings over the soft flasks. I was never a fan of the kicker valve bottles, but the new soft flask drink mechanism is easy to use. The soft flasks are definitely more comfortable than the hard bottles, even on the Access 20, which was my favorite running belt. Out of curiosity, I did try putting 2x 20oz bottles in the Groove Stereo, and they both fit! You can definitely feel them against your back, but it is something I may keep in mind when I want to squeeze in an extra 6oz. The soft flasks disappear into the pack by comparison. They don't bounce or slosh at all when you run, and they were extremely comfortable. I do have 2 gripes about the flasks however: first that the bite valve is a little more difficult to spray than the Camelbak bottles that I typically use (especially useful when dumping water on your face). You're still able to pinch the bite valve and make it work though. Second, the flask that I used for my sports drink is now tinted orange... But that may be due more to the drink than the bottle.
The pack itself is perfect! I have a Galaxy S5 in a Lifeproof case, which only barely fits into the standard UD phone pouch (only when you stretch the mesh and beg a little), but it fits easily into the front hi-fi pocket. It also fits into the rear jacket pocket if you want to put it there as well. The front gel pouches are secure and have no bounce, so that was very nice as well. The rear jacket pocket is spacious and the perfect place to fit clothes or anything you don't need to access immediately. Finally, it snugs down nicely, which is something I've always loved about UD products. I have a very small waist, and other running belts I've used don't get tight enough not to bounce, but every UD belt I've used gets nice and snug.
Overall, the Groove Stereo is my new favorite running belt and something I definitely recommend! Jake on Jun 16th 2016
Nothing better. Really Unknown on Jun 2nd 2016
I have tried multiple hydration belts, packs and bottles and have finally found one I love. It has room for everything I need - phone, tissues, nutrition, etc. but doesn't get too heavy. In addition, the Velcro is easy to adjust and helps the pack fit perfectly around my waist. Unknown on Apr 24th 2016
I used this pack for the HURT 100 in Jan 2016. I ran half the race shirtless, no chaffing, super comfortable fit! Love the waist belt design and being able to run without a shirt in hot weather and still carry the necessities. Excellent design. Candice on Mar 10th 2016