Nathan Hydration Insulated Running Belt Trail Mix Plus - Adjustable Running Belt – TrailMix Includes 2 Insulated Bottles/Flask – with Storage Pockets. Fits Most iPhones (One Size, Black)

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  • STAY HYDRATED / FRESH - Includes two insulated 10oz/300mL bottles with push-pull caps for easy access to hydration and nutrition during your run. For runners, hiking, jogging and other sports.
  • MAX COMFORT - Our ergo-shaped, soft monofilament belt offers multi-directional stretch. This adjustable belt stays snug, doesn’t bounce, shift, chafe, or rub so you can stay focused and comfortable.
  • ZIP POCKETS – Front stash pouch for gels, keys etc. Fits iPhone 6/7/8 Plus and Other 6.5 Inch Smartphones -- can hold car keys, ID’s and more to keep your hands free while running and hiking.
  • NEW DESIGN – We revamped our waist packs. Choose from a variety of different colors to match your style -- reflective trim for enhanced safety. For men and women.
  • SPEEDFIT HOLSTERS - Secures your bottle for one-handed hydration, includes 2 bottles to keep your water and electrolytes separate.

Product information

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Nathan Hydration Insulated Running Belt Trail Mix Plus - Adjustable Running Belt – TrailMix Includes 2 Insulated Bottles/Flask – with Storage Pockets. Fits Most iPhones (One Size, Black)

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Product Description

A classic hydration waist belt with a modern twist, the Trail Mix Plus Insulated 3.0 features new materials and updated pockets to maximize storage. Updated holster design provides secure one-handed access to flasks, and no-bounce technology keeps your belt and flasks in place while on the run.

Running hydration belt
Running hydration belt

Speedfit Holster

Updated holster design for easy, one-handed access to hydration and nutrition.

Running hydration belt

No Bounce !

Ergonomically shaped and multidirectional stretch belt keeps your essentials around your waist without the bounce.

Running hydration belt

Running hydration belt

Running hydration belt

Running hydration belt

Keep It Cool

Flask features double wall construction to keep fluids cooler 20% longer.

Visibility

Integrated 3M reflective fabric, plus additional reflective trims for greater visibility.

Secure Pockets

Zippered pickets fits most large smartphones, plus a stash pouch for gels or keys.

Leak Proof Hydration

Includes two 10oz / 300ml flasks with Push-Pull Valve cap for soft sipping without leaking.

Running hydration belt

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Customer reviews

3.7 out of 5 stars
3.7 out of 5
239 global ratings

Customers say

Customers have negative opinions about the bounce of the waist pack. They say that it bounces like crazy and is a pain when bottles are full. They also say that the elasticity is starting to stretch out. Customers also mention that the quality is poor and breaks easily. They dislike stability. Customers are mixed on performance, comfort, and value.

AI-generated from the text of customer reviews

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ComfortValuePerformanceStabilityQualityBounceElasticity
25 customers mention "Comfort"11 positive14 negative

Customers are mixed about the comfort of the waist pack. Some mention that it's very comfortable, high quality, and holds ample fluid. The elastic waistband is tight fitting and the pouch is a great size. However, some customers say that the material is so that you can't get it tight and the bottles no longer fit tightly and can fall out. The receptical is too loose and the water barely comes out.

"...I’m 5’7” 125lbs and have issues tightening the belt enough. The world has become bigger and gear has left thinner runners like me behind...." Read more

"...It’s great for carrying money, credit cards, Kleenex, & hand sanitizer!" Read more

"...I believe the bottle tops do not fit and/or screw on quite right. I'd say about a quarter or more of my water leaked during my hour trail run...." Read more

"...The belt was extremely comfortable with the large pocket and 2 bottles. I was excited!..." Read more

15 customers mention "Value"5 positive10 negative

Customers have mixed opinions about the value of the waist pack. Some say it's a great product with high quality, while others say it is not worth the money spent.

"...belt, pouch, bottle harnesses and clips are great. too bad the bottles are trash." Read more

"...As a result the zipper broke after several years of wear and tear. GREAT VALUE and HIGH QUALITY!..." Read more

"...I wont be purchasing this again as I feel it isn't a quality product." Read more

"...I don’t know what the deal is with this one, but it’s definitely not the same quality as their previous models" Read more

12 customers mention "Performance"7 positive5 negative

Customers are mixed about the performance of the waist pack. Some mention that it's great, the right side bottle holster works great, and it stays on place while running, while others say that it is not 100% effective, cannot be adjusted, and is absolutely useless.

"It's a super nice belt don't get me wrong. If Nathan were to add a little elastic hook to the top, problem solved...." Read more

"...Bottles fall out while running- Prevention method (not 100% effective) makes it frustrating to access your bottles while running..." Read more

"Belt is good, water tanks stay well in it’s place and good comfort. Lids are bad and water flow everywhere." Read more

"...This product is absolutely useless, do not buy." Read more

37 customers mention "Stability"3 positive34 negative

Customers are dissatisfied with the stability of the waist pack. They mention that the bottles would routinely fly out of the holsters.

"...Third run, the bottle fell out again! This time I thought I was wearing the belt too low and my butt knocked the bottle out...." Read more

"...a great item for running on flat surface but on the trail the flasks tend to fall out...." Read more

"...To make matters worse, the bottles would not stay locked in the holsters at the beginning of my run...." Read more

"...I ended up throwing it in the garbage after about 5 uses. The bottles don’t stay in the holsters. I thought Nathan produced quality products...." Read more

11 customers mention "Quality"3 positive8 negative

Customers are dissatisfied with the quality of the waist pack. They mention that the holster fabric is easy to break, the strap tore after a few runs, and the bottles in place have torn almost completely. The stitching that holds the bottles into the pack broke and one of the bottles fell. They also say that the product is poorly made and began to wear out within the first month.

"...that are ostensibly meant to hold the bottles in place have torn almost completely and will no longer hold the bottles at all...." Read more

"...This one I bought in April 2021, and it’s starting to wear out in October, and now in December the bottles keep flying out of the straps...." Read more

"...GREAT VALUE and HIGH QUALITY!Naturally, I was looking for a replacement belt and would not consider an alternate brand...." Read more

"...However, with this product, one of the bottles cracked after less than two months of use, and the second bottle just cracked last week..." Read more

6 customers mention "Bounce"0 positive6 negative

Customers are dissatisfied with the bounce of the waist pack. They say that with the bottles full, it bounces like crazy, is a pain, and is not good for workouts.

"...As they tied the bottle holders with elastic bands, the bouncing is a pain when bottles are full." Read more

"...belt thinking it would be Nathan’s great quality - wrong - the belt has major bounce - especially when you are caring a full flask - which I do a..." Read more

"Placed where it's meant to be, the belt bounces so much it throws the bottle out...." Read more

"...But...with the bottles full, it bounces like crazy! Don’t know why they felt the need to add the multi-directional stretch to the belt...." Read more

6 customers mention "Elasticity"0 positive6 negative

Customers are dissatisfied with the elasticity of the waist pack. They mention that the elastic is already starting to stretch out, the belt itself has a stretching material, and the bottle holders stretch out during runs.

"...10 days, used it 6 times (5-10mi each run), and the elastic is already starting to stretch out so the only prevention method is becoming..." Read more

"I bought this 2 years ago, and the elastic for the holsters are loose and stretched out...." Read more

"...Only suitable for large waist. The elastic on the waist get stretched very quickly which only makes things worse...." Read more

"...The bottle holders now have an elastic strap that stretched out during runs and the bottles end up bouncing out and dropping. Very frustrating...." Read more

Bottle leaks/holders don’t work
3 out of 5 stars
Bottle leaks/holders don’t work
One of the bottles has a hole and leaks into the lining. I don’t see how to contact the seller to ask them to send a new bottle. Too much of a pain to send the whole thing back and wait for a new one although I suppose the leaked fluid in the lining may eventually make the bottle unusable. This is a replacement for one i liked and finally wore out after 5+ years. Disappointing!I ended up throwing it in the garbage after about 5 uses. The bottles don’t stay in the holsters. I thought Nathan produced quality products. Apparently not any more.
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Top reviews from the United States

Amazon Customer
5.0 out of 5 stars It works fine.
Reviewed in the United States on May 21, 2024
Verified Purchase
I use this for short (3-5 miles) or long (marathon or half)! It’s so convenient and water is kept cold with the insulated bottles. It’s great for carrying money, credit cards, Kleenex, & hand sanitizer!
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Matt Hosack
1.0 out of 5 stars DESIGN FLAW
Reviewed in the United States on May 16, 2022
Verified Purchase
This is my second Nathan Hydration Running Belt. I loved my first one and wore it running 6 days a week. As a result the zipper broke after several years of wear and tear. GREAT VALUE and HIGH QUALITY!

Naturally, I was looking for a replacement belt and would not consider an alternate brand. I ordered this belt with the insulated water bottles and immediately started using it. The belt was extremely comfortable with the large pocket and 2 bottles. I was excited!

However, on my second run one of the bottles fell out of plastic holster. I did not hear the bottle hit the ground as I run with air pods when not on the street. Luckily, a runner behind me picked up the bottle and returned it to me at the end of the route. I blamed myself thinking I did not insert the bottle fully into the holster. Third run, the bottle fell out again! This time I thought I was wearing the belt too low and my butt knocked the bottle out. As such, I raised the belt and continued running but the bottle continued to end up on the ground. Now frustrated I pulled the elastic strap over the top of bottle to prevent it from falling out of the holster throughout my run. This tactic made it very challenging to free the bottle to drink.

Unfortunately, I have elected to return the item in hopes that a new line of the product will be designed soon. I will utilize my handheld hydration bottle in the meantime.
4 people found this helpful
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CTrunner
5.0 out of 5 stars No Bounce!
Reviewed in the United States on June 15, 2023
Verified Purchase
I hadn't run with a fuel belt in years, but wanted to buy one for training/running longer distances. This one fit well and stayed in place, no bottles bouncing! Plus I like that there are just two larger bottles in front (and insulated so liquid stays colder!) Lastly, I really like the lightweight flap pocket in front that my iPhone 13 fits into perfectly and the flap is clear mesh so you can read text messages without removing the phone from its pocket! It was higher priced that a lot of the other models out there, but well worth every penny!
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David J.
4.0 out of 5 stars Great for running, just not trail running.
Reviewed in the United States on October 8, 2022
Verified Purchase
This is a great item for running on flat surface but on the trail the flasks tend to fall out. Had this happen numerous times and eventually lost one while running. Not sure if the holders are designed to keep the flask from falling out when there is elevation and uneven trail surface. On flat surface these are great but be careful when running on the trail.
3 people found this helpful
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RunningMom
5.0 out of 5 stars Love this belt but it’s a bit too big for skinny runners
Reviewed in the United States on April 30, 2023
Verified Purchase
I really like the pockets and the water bottle holders. The extra insulation is ok but not great. It stays cold maybe 40 minutes in Florida on a normal run, so on a long run, drink up and have a cold refill plan. I’m 5’7” 125lbs and have issues tightening the belt enough. The world has become bigger and gear has left thinner runners like me behind. Its ok at the tightest setting but I have to keep tightening throughout the run. Then you have the extra long belt ties to manage. Other than that I do like it.
4 people found this helpful
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Justin
5.0 out of 5 stars Stays significantly colder
Reviewed in the United States on September 23, 2020
Verified Purchase
I bought both the Trailmix and the Trailmix Plus. I found that in hot weather (85 F) the Plus does keep ice water significantly cooler, so it’s worth the upgrade if you need not just hydration but also help with high temperatures.

When I filled the regular Trailmix with ice and then with cold water from the refrigerator, it would be barely cool by the end of a 45 minute run at 85 F. In contrast, the Plus would still be cold and have some unmelted ice remaining. When the weather was only in the 70’s I had to add less ice to avoid “brain freeze”.

The Plus has slightly taller bottles to hold the same 10 oz with a double walled container. I also found the Plus bottles to be easier to squeeze - which is a top complaint for the regular Trailmix.

Nathan doesn’t seem to sell these 10 oz bottles on their own - only 8 oz insulated bottles.

The very reflective bottles are a nice bonus for night running - although you can blind yourself by drinking while wearing a headlamp. I learned to hold the bottles sideways.
2 people found this helpful
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Mario & Jessica
1.0 out of 5 stars Bottles are of low quality.
Reviewed in the United States on September 29, 2019
Verified Purchase
Usually, one gets what they pay for...not with this product. This was my first Nathan running product.
** Does Not Hold Water **

The bottles leaked immediately and constantly during my run. I believe the bottle tops do not fit and/or screw on quite right. I'd say about a quarter or more of my water leaked during my hour trail run. That's a lot when your running in the Texas heat and humidity for an hour or more.

** Bottles Do Not Stay In Place **

To make matters worse, the bottles would not stay locked in the holsters at the beginning of my run. Didn't make it a full mile before both of my bottles fell out. Had to adjust the belt so the bottles were in front of my torso. Constantly adjusted and checked the bottle placement for the duration of my run.

The belt itself was very comfortable and held my Pixel 3, Ridge wallet, and nutrition gel just fine, with plenty of room to spare.

** Final Verdict **

Returned the the belt. Completely dissatisfied.
Customer image
Mario & Jessica
1.0 out of 5 stars Bottles are of low quality.
Reviewed in the United States on September 29, 2019
Usually, one gets what they pay for...not with this product. This was my first Nathan running product.
** Does Not Hold Water **

The bottles leaked immediately and constantly during my run. I believe the bottle tops do not fit and/or screw on quite right. I'd say about a quarter or more of my water leaked during my hour trail run. That's a lot when your running in the Texas heat and humidity for an hour or more.

** Bottles Do Not Stay In Place **

To make matters worse, the bottles would not stay locked in the holsters at the beginning of my run. Didn't make it a full mile before both of my bottles fell out. Had to adjust the belt so the bottles were in front of my torso. Constantly adjusted and checked the bottle placement for the duration of my run.

The belt itself was very comfortable and held my Pixel 3, Ridge wallet, and nutrition gel just fine, with plenty of room to spare.

** Final Verdict **

Returned the the belt. Completely dissatisfied.
Images in this review
Customer image
Customer image
5 people found this helpful
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VanNola
3.0 out of 5 stars Bottle leaks/holders don’t work
Reviewed in the United States on August 13, 2023
Verified Purchase
One of the bottles has a hole and leaks into the lining. I don’t see how to contact the seller to ask them to send a new bottle. Too much of a pain to send the whole thing back and wait for a new one although I suppose the leaked fluid in the lining may eventually make the bottle unusable. This is a replacement for one i liked and finally wore out after 5+ years. Disappointing!
I ended up throwing it in the garbage after about 5 uses. The bottles don’t stay in the holsters. I thought Nathan produced quality products. Apparently not any more.
Customer image
VanNola
3.0 out of 5 stars Bottle leaks/holders don’t work
Reviewed in the United States on August 13, 2023
One of the bottles has a hole and leaks into the lining. I don’t see how to contact the seller to ask them to send a new bottle. Too much of a pain to send the whole thing back and wait for a new one although I suppose the leaked fluid in the lining may eventually make the bottle unusable. This is a replacement for one i liked and finally wore out after 5+ years. Disappointing!
I ended up throwing it in the garbage after about 5 uses. The bottles don’t stay in the holsters. I thought Nathan produced quality products. Apparently not any more.
Images in this review
Customer image Customer image
Customer imageCustomer image
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Top reviews from other countries

yves gagnon
1.0 out of 5 stars Broke after only 2 month
Reviewed in Canada on October 4, 2021
Verified Purchase
The elastic use to hold the bottle are really weak they broke after only 2 month …not satisfied at all with this product
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