Endurance Pack 4L - V2.0 (2L bladder, 4L cargo): Ideal for running and biking

Rated 4.9 out of 5
77 Reviews
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  • Regular price $185.88


A highly breathable and durable mesh yields maximum heat release in a tough package. The pack is stretchy, but has a balance of maintaining form while allowing plenty of movement. This pack is excellent for carrying your fluids while running and riding. The front harness is stretchy so you can breathe during movement.
  • Mountain Bike: Extremely stable on your body across the choppy stuff, and we extended the shoulder area a bit to allow freedom of movement. 4 front pockets allow for quick access of your essentials on the fly.
  • Running: Short runs or as long as you want to go. This hydration pack is loaded with features to take you any distance. 
  • Hiking: The conforming fit and quick access pockets paired with a very breathable frame means hiking bliss.  

Endurance Pack 4L, Version 2.0 Animation from Orange Mud on Vimeo.

Fit: This pack is designed to be friendly with your curves. Just slide the sliders up and down to find the optimal fit and adjust the sides snug. Max chest size is around a 52” chest. If you need bigger let us know and we will add more to them!
Optional Accessories

Pack Details

  • Pack Weight: - 11.4oz
  • Dimensions: 10"W x 13" tall / Volume 6 liters.
  • Bladder: HydraPak 2L (70oz) elite, with quick disconnect and blaster valve. 
  • Compartment 1: Bladder compartment
  • Compartment 2: Main cargo
  • Compartment 3: Zippered elastic pocket with secure key clip.
  • MUDX Technology: Trekking Pole Attachment Option. 
  • Material details: Our stretch fabric is tough, abrasion resistant, & endurance designed. 
  • Shoulder pocket storage: Phone, gel, nutrition, electrolyte and more, both sides.
  • Front chest pocket storage: 20oz/600ml soft flask capable and trash pockets.
  • Front adjustments: 2 elastic straps on sliders for an optimum fit.
  • Made in Vietnam

Trail Runners Dog review below.

Endurance Pack V2.0 Review


average rating 4.9 out of 5
Based on 77 reviews
  • 5 Stars
    71 Reviews
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99% of reviewers would recommend this product to a friend
77 Reviews
Rated 5 out of 5
Review posted

Fantastic!

I got the Endurance Pack 4L V2.0 for a marathon trail run. It has performed flawlessly. Very comfortable and easy to adjust. No bouncing or chafing.

Highly recommend.

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Rated 5 out of 5
Review posted

Orange is My New Favorite Color

When I opened the package I was instantly impressed with the quality. I needed something to train with and use for the 12+ mile Spartan Race (Beast) that I am going to run. So far, it has exceeded my expectations. Fits well, rides nice on my back and holds my iphone, nutrition and other small items (and of course water). So, then I ordered the Orange Mud running shirt and hat which are also awesome! I even bought my new favorite running shoes (Hoka) in orange. Go team Orange Mud!

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Rated 5 out of 5
Review posted

Endurance pack

Love this pack. Holds all I need. Comfy!

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Rated 5 out of 5
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Rated 5 out of 5
Review posted

Awesome product

Friend suggested Orange Mud. I hadn’t heard of them prior. I have the endurance pack 4L and it’s awesome so far. I use it for trail running but have now adopted to using it for MTB riding because the fit it excellent and it doesn’t move around. Super comfortable and so far appears very durable.

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Rated 5 out of 5
Review posted

Great pack!

This pack was recommended by a friend. And I love it! Very comfortable, plenty of pockets for nutrition, phone, etc. Happy with my purchase.

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Rated 5 out of 5
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Rated 5 out of 5
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