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Nathan Peak Hydration Waist Pack with storage area & Run Flask 18oz – Running, Hiking, Camping, Cycling

4.0 4.0 out of 5 stars 1,377 ratings

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  • SIMPLE HYDRATION: Our angled insulation bottle holder allows easy one handed access whether on the tread, track, or trail. Easy to store and easy to release from belt – stays in place throughout run to ensure no bouncing!
  • MINIMAL DESIGN, MAXIMUM FUNCTION: Extended side panels hug the body comfortably for a perfect fit. Bottle and storage areas are securely fastened to ensure your essentials are protected
  • STYLE AND SAFETY: Reflective detail and trim helps you be seen in dim light, without sacrificing a sleek aesthetically pleasing design
  • CAPACITY: 18 oz/535 ml Speed Draw Flask with push/pull Race Cap, Expandable zippered stretch pocket keeps essentials protected
  • INSPIRED BY THE JOURNEY: Nathan's collection of running essentials delivers on what matters most through intuitive design, comfort, quality, and smart storage, to help runners enhance and improve their performance, mile after mile and year after year

From the manufacturer

Peak running

Run Stronger. Run Longer.

flask

running belt

hydration belt

Includes Nathan Flask

(18oz / 535mL) with Push-Pull cap for fast hydration.

Easy Access Pocket

Keep essentials secure with expandable zippered stretch pocket.

One Hand Access

Easy one-handed access and bounce-free ride provided by angled, insulated bottle holder.

running belt
Running water

Run Stronger. Run Longer.

Your body is 65% H2O. Develop a hydration plan to keep your tank full and run stronger by drinking fluids before, during and after every run.

Product Description

Keep our SpeedDraw Flask close-at-hand and in place with this lightweight Waist Pak featuring our angled insulated bottle holder. • Large 18 oz flask for hydration on both long and short distances • Ergonomic design to prevent from a cumbersome carry or any bouncing/sloshing issues • Perfect for Running, Hiking, Jogging, camping and portable storage • Remain visible and looking sleek while having hydration a reach away! Don’t Be without your essentials and stay hydrated wherever you go!

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Customer reviews

4 out of 5 stars
4 out of 5
1,377 global ratings

Customers say

Customers like the capacity and fit of the waist pack. For example, they mention that it holds an iPhone 6 and a couple GU gels. Some appreciate the performance and ease of use. That said, some complain about the leakage. Opinions are mixed on quality, appearance, stability, and bounce.

AI-generated from the text of customer reviews

184 customers mention153 positive31 negative

Customers like the fit of the waist pack. For example, they mention it's very comfortable, easy to fit, and evenly distributes weight. They say it holds plenty of items and the water bottle fits snuggly above their butt. It's more ergonomic and doesn't put uncomfortable pressure anywhere. That said, some complain it'll be too small to carry all their essentials.

"...This means that there will be less bounce as the strap will fit snugly when adjusted well. ⁃ I am a size 36 men’s waist and there was a bit of..." Read more

"...Also the bottles leak when the mouthpieces wear out. This belt is comfortable, lightweight, and stands up to machine washing...." Read more

"...hydration pack ... almost no bouncing ... plenty of water ... nice size pouch... but plenty of room for improvement." Read more

"...I would say this is an adequate belt. It's pretty comfortable, light weight, and it stores most phones just fine...." Read more

88 customers mention68 positive20 negative

Customers like the capacity of the waist pack. For example, they say the storage pocket is big enough to hold an iPhone 6 and a couple GU gels. The bottle holds a few more ounces and is more ergonomic. The zippered pouch has room for a number of items, and the capacity is fine for runs of 6-10 miles. It also has a small pouch for keys and snacks.

"...Way better than FuelBelt. It also has a small pouch for keys and snacks, etc...." Read more

"...It's pretty comfortable, light weight, and it stores most phones just fine...." Read more

"...this belt now and have loved how well it stays put and the pocket for gel storage, ect. The water bottle itself though sucks...." Read more

"...(it would not hold a large phone, for example)...." Read more

64 customers mention45 positive19 negative

Customers like the performance of the waist pack. For example, they mention that it works well enough overall, the band will loosen over time as they run, and the bag itself does a decent job. Some say that it worked well for hiking and that the push pull cap works well.

"...So far, the push pull cap works well for me...." Read more

"...The shock cord for attachments works pretty well - I use it for my head lamp. And the reflective detailing is is nice...." Read more

"...of using this semi-regularly, the cellphone pocket ripped, making it unusable. Unfortunately it was too late to return." Read more

"This hydration belt is working just fine. I am an xs but I was able to adjust it to fit...." Read more

148 customers mention98 positive50 negative

Customers are mixed about the quality of the waist pack. Some mention that it has great quality in the belt and bottle, while others say that it fell short of their expectations.

"...or less, I use the Nathan 12oz handheld bottle. ⁃ This waist pack is awesome!..." Read more

"...This belt is comfortable, lightweight, and stands up to machine washing...." Read more

"...The water bottle itself though sucks. I have tried multiple ways of drinking out of it normally, but have give up...." Read more

"...is Cleary the best hydration pack ... almost no bouncing ... plenty of water ... nice size pouch... but plenty of room for improvement." Read more

122 customers mention67 positive55 negative

Customers are mixed about the stability of the waist pack. Some mention that it fits good and stays pretty securely in place, while others say that it shifts up and doesn't stay put. The bottle stays secure in the pocket with or without the elastic fastener that goes around. However, some customers say that you cannot overload as the contents may fall off when you try to remove the pack.

"...that means it does not stretch so you can firmly attach it to your waist and minimize bouncing. 2...." Read more

"...(2.4 oz each) This is one pouch you cannot ‘overload’ as the contents may fall off when you try to remove the contents that are placed in the zipper..." Read more

"...I am an xs but I was able to adjust it to fit. The bottle stays in place during a run and it is quite simple to get in and out while running...." Read more

"...My flask and phone started to fall out and I had to spend the last 2+ hours of the race holding onto it and constantly checking that I hadn't lost..." Read more

75 customers mention47 positive28 negative

Customers are mixed about the bounce of the waist pack. Some mention that it doesn't bounce too much, while others say that it bounces especially when full.

"...This means that there will be less bounce as the strap will fit snugly when adjusted well. ⁃ I am a size 36 men’s waist and there was a bit of..." Read more

"...pack lower on my hips or a bit looser and I found that the bottle bounces considerably and the belt moves around towards either side and it can at..." Read more

"...But even with a slightly loose fit, this belt minimizes the bounce. It also has a mini bungee to give you a little tightening adjustment on the fly...." Read more

"...So the verdict is Cleary the best hydration pack ... almost no bouncing ... plenty of water ... nice size pouch... but plenty of room for improvement." Read more

50 customers mention27 positive23 negative

Customers are mixed about the appearance of the waist pack. Some love the design and secure bottle, while others say it's uncomfortable to carry for long periods of time, awkward, and hard to squeeze.

"...And the reflective detailing is is nice. It's a good concept and design, but I do have a few issues with it:1...." Read more

"...feels good in the hand but it's also pretty wide so it can get uncomfortable to carry for long periods of time...." Read more

"...very clever. I am mostly a walker and hiker and have no issues with "bounce" or "slip" except when I was jogging...." Read more

"This waist pack is bulky, and uncomfortable to wear. Given the overall size of the pack I am disappointed in the small pocket...." Read more

67 customers mention14 positive53 negative

Customers are dissatisfied with the leakage of the waist pack. They mention that the bladder for the Nathan vest is still leaking, the water bottle lid is a bit leaky, and the bottle drips right down the back of their calf. When they try to drink from it, water will come out all over them. When the top is open, hardly any water flows out where it's supposed to, and they cannot squeeze the fluid out at any meaningful rate. It seems like it holds a little fluid after, so taking a very short drink after, gets annoying.

"...Also the bottles leak when the mouthpieces wear out. This belt is comfortable, lightweight, and stands up to machine washing...." Read more

"...When the top is open, hardly any water flows out where it's supposed to and instead it leaks from the sides...." Read more

"...lightweightCons:* Bottle leaks a bit, not massively, and if I leave it an inch from the top, it's just fine...." Read more

"...stiff at first but now it opens and closes easily and the water comes out with no problem. It is comfortable to hold in my hand when using...." Read more

Works For Most Runs, Doesn’t Bounce A Lot And Storage Pouch Is Okay.
5 Stars
Works For Most Runs, Doesn’t Bounce A Lot And Storage Pouch Is Okay.
⁃ It’s very easy to remove the ‘Nathan Running Essentials’ plastic tag that a lot of people have complained about being unable to remove. Simply grab the strap underneath the sign and slide it off the two ‘hooks’ that clamp the sign/tag to the strap. ⁃ I purchased this Peak waist pack for runs between 6-18 miles. Until recently, I used to carry the running Hydration belts/fanny packs with 2 bottles on each side. There were more disadvantages than advantages when I used the running belts. The bottles would sometimes fall off, the bottles themselves would chafe my skin, they would never really be tight enough for bounce-free runs, the elastic bands holding the bottles would either get loose or fray/cut off altogether and so on and so forth. ⁃ For any runs above 18 miles for me, essentially the required 20 miler 3 weeks before a marathon and during the full 26.2 miles full marathon, I use the big brother Nathan Vapor Air Hydration Pack Running Vest. For 3 milers or less, I use the Nathan 12oz handheld bottle. ⁃ This waist pack is awesome! For middle range runs (6-18 miles for me) it basically holds almost everything I carry in these runs. ⁃ For the 18 oz bottle, this is an upgrade from the 2 6oz bottles (12oz in total) found in many running belts. Now, I can access more liquid. ⁃ I cleaned and rinsed the bottle with vinegar and water before the first use. I never did get any ‘plastic’ taste at all when I sipped the fluids and my fluids (Gatorade) tasted as good as it tastes from the original Gatorade bottle, at least in the beginning before the Gatorade sloshes repeatedly hehe. ⁃ The bottle is easy to drink out of. So far, the push pull cap works well for me. I have seen people complaining of this cap leaking and they replace the cap with Nathan race caps. ⁃ It also goes in and out of the pouch easily. It is also easy to hold. ⁃ In the ‘expandable’ zipper pouch, I managed to put in 3 GU gels (1.1 oz each) and 2 Cliff bars (2.4 oz each) This is one pouch you cannot ‘overload’ as the contents may fall off when you try to remove the contents that are placed in the zipper pouch which is accessible from the back. This is because you will most likely be unzipping the pocket with your hand sight unseen and reaching out for the energy bars/GU gels. ⁃ It will bounce a bit on your first run but this is expected. Just adjust the length of the straps and this will/may reduce the bounce. I run with wireless Bluetooth earbuds with music on so the bouncing and sloshing might not be as loud as some other sensitive users will find. I found the bouncing very minimal and acceptable. ⁃ The zipper pouch may also fit a regular 4.7 inch display smartphone. My iPhone 6S plus with Otterbox Commuter case was too big to fit. I use a Gearbeast XLG armband to carry my phone so this wasn’t a big deal to me but it may be a big deal to some. ⁃ One advantage that this waist pack has is that the expandable waist straps have a Velcro clasp that holds the edges of the straps together once you have determined the comfortable length of the waist strap. This means that there will be less bounce as the strap will fit snugly when adjusted well. ⁃ I am a size 36 men’s waist and there was a bit of strap left to spare. ⁃ Have a short practice run before using this pouch so that you can determine whether you will need to reduce/adjust the length so that it can fit you. ⁃ After I used it on my first run, the waist pack changed positions from the back to where the bottle was on the side. It was a pleasant surprise as the bottle was now easily accessible from the side, just like the small bottles from the Hydration belts. This also meant that the zipper pouch (with my gels and energy bars) was easier to access. ⁃ After my first run, I reduced the length of the strap by using the Velcro clasps provided and it fit better on the second run and hardly bounced. The strap/waistband rests on my waist at the same location my running shorts waistband is. I am a man so women might have different optimal locations for the waistband. ⁃ I normally hand-wash the bottle but I tested it by putting it in the dishwasher together with the cap. It came out clean and just in the same form it was in before. Nathan advises you to place the bottle at the top rack of the dishwasher where the heat is less than the bottom rack. ⁃ The ‘Nathan’ letters are reflective, a bonus when doing the dusk/dawn/night runs. - It has a drawstring where you can store a poncho or light jacket. This feature should be useful for hikers. ⁃ In very hot days for very hot runs, the Gatorade does get lukewarm so I will most likely get the insulated bottle version (Nathan Speedraw insulated flask water bottle) that fits into this particular ‘Peak’ waistpack. There is a Nathan insulated waist pack sold but I think the difference between this waistpack and the insulated one is the insulated bottle.
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Top reviews from the United States

Reviewed in the United States on June 29, 2018
Size: 18 ozColor: BlackVerified Purchase
Customer image
5.0 out of 5 stars Works For Most Runs, Doesn’t Bounce A Lot And Storage Pouch Is Okay.
Reviewed in the United States on June 29, 2018
⁃ It’s very easy to remove the ‘Nathan Running Essentials’ plastic tag that a lot of people have complained about being unable to remove. Simply grab the strap underneath the sign and slide it off the two ‘hooks’ that clamp the sign/tag to the strap.
⁃ I purchased this Peak waist pack for runs between 6-18 miles. Until recently, I used to carry the running Hydration belts/fanny packs with 2 bottles on each side. There were more disadvantages than advantages when I used the running belts. The bottles would sometimes fall off, the bottles themselves would chafe my skin, they would never really be tight enough for bounce-free runs, the elastic bands holding the bottles would either get loose or fray/cut off altogether and so on and so forth.
⁃ For any runs above 18 miles for me, essentially the required 20 miler 3 weeks before a marathon and during the full 26.2 miles full marathon, I use the big brother Nathan Vapor Air Hydration Pack Running Vest. For 3 milers or less, I use the Nathan 12oz handheld bottle.
⁃ This waist pack is awesome! For middle range runs (6-18 miles for me) it basically holds almost everything I carry in these runs.
⁃ For the 18 oz bottle, this is an upgrade from the 2 6oz bottles (12oz in total) found in many running belts. Now, I can access more liquid.
⁃ I cleaned and rinsed the bottle with vinegar and water before the first use. I never did get any ‘plastic’ taste at all when I sipped the fluids and my fluids (Gatorade) tasted as good as it tastes from the original Gatorade bottle, at least in the beginning before the Gatorade sloshes repeatedly hehe.
⁃ The bottle is easy to drink out of. So far, the push pull cap works well for me. I have seen people complaining of this cap leaking and they replace the cap with Nathan race caps.
⁃ It also goes in and out of the pouch easily. It is also easy to hold.
⁃ In the ‘expandable’ zipper pouch, I managed to put in 3 GU gels (1.1 oz each) and 2 Cliff bars (2.4 oz each) This is one pouch you cannot ‘overload’ as the contents may fall off when you try to remove the contents that are placed in the zipper pouch which is accessible from the back. This is because you will most likely be unzipping the pocket with your hand sight unseen and reaching out for the energy bars/GU gels.
⁃ It will bounce a bit on your first run but this is expected. Just adjust the length of the straps and this will/may reduce the bounce. I run with wireless Bluetooth earbuds with music on so the bouncing and sloshing might not be as loud as some other sensitive users will find. I found the bouncing very minimal and acceptable.
⁃ The zipper pouch may also fit a regular 4.7 inch display smartphone. My iPhone 6S plus with Otterbox Commuter case was too big to fit. I use a Gearbeast XLG armband to carry my phone so this wasn’t a big deal to me but it may be a big deal to some.
⁃ One advantage that this waist pack has is that the expandable waist straps have a Velcro clasp that holds the edges of the straps together once you have determined the comfortable length of the waist strap. This means that there will be less bounce as the strap will fit snugly when adjusted well.
⁃ I am a size 36 men’s waist and there was a bit of strap left to spare.
⁃ Have a short practice run before using this pouch so that you can determine whether you will need to reduce/adjust the length so that it can fit you.
⁃ After I used it on my first run, the waist pack changed positions from the back to where the bottle was on the side. It was a pleasant surprise as the bottle was now easily accessible from the side, just like the small bottles from the Hydration belts. This also meant that the zipper pouch (with my gels and energy bars) was easier to access.
⁃ After my first run, I reduced the length of the strap by using the Velcro clasps provided and it fit better on the second run and hardly bounced. The strap/waistband rests on my waist at the same location my running shorts waistband is. I am a man so women might have different optimal locations for the waistband.
⁃ I normally hand-wash the bottle but I tested it by putting it in the dishwasher together with the cap. It came out clean and just in the same form it was in before. Nathan advises you to place the bottle at the top rack of the dishwasher where the heat is less than the bottom rack.
⁃ The ‘Nathan’ letters are reflective, a bonus when doing the dusk/dawn/night runs.
- It has a drawstring where you can store a poncho or light jacket. This feature should be useful for hikers.
⁃ In very hot days for very hot runs, the Gatorade does get lukewarm so I will most likely get the insulated bottle version (Nathan Speedraw insulated flask water bottle) that fits into this particular ‘Peak’ waistpack. There is a Nathan insulated waist pack sold but I think the difference between this waistpack and the insulated one is the insulated bottle.
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137 people found this helpful
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Reviewed in the United States on February 15, 2020
Size: 18 ozColor: BlackVerified Purchase
2 people found this helpful
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Reviewed in the United States on April 21, 2021
Size: 18 ozColor: BlackVerified Purchase
31 people found this helpful
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Top reviews from other countries

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carlos morales entzin
5.0 out of 5 stars Excelente producto me encantó
Reviewed in Mexico on February 12, 2024
Size: 18 ozColor: True Navy / Angel BlueVerified Purchase
Tony Cannoli
5.0 out of 5 stars Perfect for running
Reviewed in Canada on June 8, 2022
Size: 18 ozColor: BlackVerified Purchase
elo
5.0 out of 5 stars Un peu plus cher mais …
Reviewed in France on October 16, 2021
Size: 18 ozColor: BlackVerified Purchase
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elo
5.0 out of 5 stars Un peu plus cher mais …
Reviewed in France on October 16, 2021
Tient bien en place, ne tourne pas … peut se porter sur les riens ou sur le ventre au choix .
Mon iPhone 11 tient tout juste … une gourde aplatie est recommandée. Je recommande
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Jaime
5.0 out of 5 stars Justo lo que buscaba
Reviewed in Spain on August 3, 2021
Size: 18 ozColor: BlackVerified Purchase
luca
5.0 out of 5 stars Prodotto valido
Reviewed in Italy on July 21, 2021
Size: 18 ozColor: BlackVerified Purchase
One person found this helpful
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