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3.0 Trail Mix Plus Insulated Hydration Belt

4 out of 5 stars
7 Reviews

Out of Stock

Don't worry though, we have a lot more Hydration Packs in stock than that.

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3.0 Trail Mix Plus Insulated Hydration Belt

This ergonomically shaped, soft monofilament, multidirectional stretch belt is your new best friend. So keep your water, gels, and phone right around your waist (without the bounce) for safe keeping while you keep going down the trail or road.

60% nylon, 40% polyester
0.5L (31cu in)
Hydration Compatible
Reservoir Included
2 10oz insulated blast valve flasks
zippered front
Claimed Weight
10.2oz (289g)
run & training

Overall Rating

4 based on 7 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 2 reviews
5 Stars - 3 reviews

What do you think about this product?


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4 out of 5 stars

April 21, 2024

No bounce? So far, yes

I was skeptical about the no bounce aspect they advertised on here but overall it's held up to the hype. Holds my phone nice and snug and the fit is amazing


Originally reviewed on

2 out of 5 stars

April 19, 2024

Too much elastic

My new Nathan belt has way too much elastic, which allows too much bounce. Even the bottles are less secure with the elastic belt. I upgraded to get the larger zippered pocket, but this new model is seriously inferior to my old one. Very disappointed.

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Originally reviewed on

5 out of 5 stars

October 10, 2023

Very versatile and great for gift giving

I use this belt for both hiking and biking and it works extremely well for both. I have also given the same belt to both my wife and daughter as birthday gifts and they love them. The insulated 10 oz. bottles are an added plus. They are larger than most other hydration belts and keep liquids cool.


Originally reviewed on

4 out of 5 stars

September 2, 2023

OSFM - too wide but otherwise good

I love Nathan belts- been distance training in them since mid 2000's. Bottles and fit work great for me, bottles don't fall out unless I'm stooping over to pick up after my dog. I like the pack but it is aggressively oversized. For 27" waist this is waaay to wide and bottles impede my arm swing. Not impairing my run is #1, water is #2, and being large enough to carry an iPad is low priority. But the bag is great quality, and I was able to tuck and stitch along the edges so my phone still fits and bottles are no longer on the sides of my body. Able to do a 3 hour run without issue.

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Originally reviewed on

3 out of 5 stars

August 28, 2023

Lots of Storage

I really wanted to love this belt. Unfortunately it doesn’t sit right on my hips and moves around way too much. I do love that there is more storage room in this belt than the average running belt, just didn’t work for me. Bummer because this belt isn’t cheap 😞


Originally reviewed on

5 out of 5 stars

August 13, 2023

Big pocket!

I had an older version of this hydration belt. I loved it for years. When I purchased a new bigger phone it didn't fit in the zipper pocket anymore. I was so happy to find Nathan Sports upgraded to a larger pocket on this belt. My Samsung 22 Ultra with the OtterBox Defener fits in the zipper pocket. It's a tight fit but it does the job.

Amanda G

Originally reviewed on

5 out of 5 stars

July 21, 2023

Great Belt System

A few weeks ago I bought the Trailmix Plus hydration belt system to replace the previous version of this system that I bought 4-5 years ago. The tweaks and adjustments made to this new design are huge improvements over the older version in terms of comfort and stability with the flasks. My only regret is I did not order one sooner as I kept putting band aids on my old belt specifically the flask holster. Anytime I have my running shoes on I have a hydration belt with me even last winter when it was 10* degrees, used warm water on those days. I really like this Trailmix Plus system. I highly recommend it.

Greg W.

Originally reviewed on