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Vital 3L Hydration Backpack

3.75 out of 5 stars
4 Reviews



Why We Like The Thule Vital 3L Hydration Backpack

Thule expertly designed Vital 3L Hydration Backpack with mountain bikers in mind. This minimalist pack is best for short rides and includes a reservoir to ensure we stay hydrated after a few hours on the bike. Its clever design features a magnetic ReTrakt attachment that pulls the reservoir's hose out of our way while riding and leaves it accessible when we need a pull. There's plenty of room in the backpack for an extra layer, first-aid necessities, and a quick bite.


  • Hydration pack design for convenience on short mountain biking excursions
  • 3L capacity stashes included 1.75L reservoir and on-trail essentials
  • High-ventilation construction keeps air flowing freely
  • Low center of gravity for comfort and stabilization on the bike
  • Hydration system included magnetic tech to secure hose
  • Drop-in side pockets offer quick access to snacks and gels
  • Item #THUZ3JP
3L (183cu in)
ventilated back panel
Shoulder Straps
adjustable, mesh
Waist Belt
Hydration Compatible
internal sleeve, ReTrakt magnetic hose return
Reservoir Included
1.75L Hydrapak
front panel
2 drop-in hip belt
Gear Loops
tail light attachment
8.3 x 3.1 x 14.6in
Claimed Weight
enduro, trail
Manufacturer Warranty
limited lifetime

Overall Rating

4 based on 4 ratings

Review Summary

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

What do you think about this product?


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5 out of 5 stars

July 22, 2022

Great product

High quality and super comfortable, this is a great product

Mike C

Originally reviewed on manufacturer

4 out of 5 stars

July 3, 2022

outstanding, however.....

Alright, this is the most comfortable hydration pack I've ever worn and I have tried many. The low on the back design, functional side pockets, and hose magnet are the outstanding features. All it needs for 5 stars is a quick-connect between the tube and the bladder. The presents set up doesn't allow for easy bladder exchange or cleaning.

My new Best-est

Originally reviewed on manufacturer

1 out of 5 stars

August 13, 2021

Bladder replacement NOT available

This is a great Hydration bag, convenient and light but the reservoir last only 5 months, it ripped through the welded or heat pressed area at the edge of the bag, no way of fixing that and there is no replacement on the market. Completely disappointed.


Originally reviewed on manufacturer

5 out of 5 stars

March 3, 2020

This pack will make you love riding with a pack again

I've been trying many forms of hydration (bottles, waist packs, and hydration packs) trying to find the best solution to actually hydrate while riding, and provide comfort and convenience, on rough trails. The Vital 3L hit the sweet spot of being super comfortable, even on demanding trails, while making it easy to drink. Sitting very low on my back, and having mesh backing, allowed me to stay much cooler than any pack I've worn, it is even cooler than some waist packs I've tried!


Originally reviewed on manufacturer