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Hydration pack

Thule Vital 8L

An all-day hydration pack designed with expandable cargo space to fit extra gear for varying weather.



  • Stay hydrated without slowing down using the hands-free ReTrakt hose return system
  • Quickly access nutrition, clothing or tools while riding without having to stop or remove pack thanks to convenient jersey-style pockets
  • Improve bike handling and reduce muscle strain with optimal weight distribution thanks to the low center of gravity
  • Stay hydrated on short or long rides with 2.5L Hydrapak reservoir
  • Adjust pack size to carry various loads with expandable panel and up to 8L of cargo space
  • Maximize uphill and downhill performance with lightweight, ventilated materials
  • Protect a phone or sunglasses in the soft-lined, quick-access pocket
  • Secure keys or other small essentials in the interior zippered pocket
  • Stabilize and increase comfort on any terrain with sternum strap
  • Secure a tire pump and shock pump on designated interior loops

Technical specifications

Dimensions 9.1 x 3.9 x 17.5 in
Volume 8 L
Weight 1.21 lb
Reservoir capacity 2.5 L
Material Nylon
Color Obsidian
Model number 3203641


Thule BringIt! GuaranteeThule is dedicated to providing exceptional products that are quality tested and guaranteed against defects in materials and workmanship.

View warranty details


Much improved over my camelbak


Love how it feels & it's easy to adjust straps. Holds a lot of water and the hose design is great. Highly recommend.


Boulder, CO


Best hydration pack I've ever had


This is hands down the best hydration pack I've used. I've been using this pack for 2 years and it remains my go-to pack while others collect dust. It's thoughtfully designed for the needs of mountain biking - The pack sits lower to distribute the load over the hips (vs. up high on the shoulders) which reduces fatigue on long rides. The expandable cargo capacity combined with the 2.5L reservoir makes this pack extremely versatile for shorter rides to full-day efforts. The ReTract hose system works flawlessly for staying hydrated while keeping the hose secure and out of the way. Easy access side pockets makes reaching for food or gear a breeze while riding. Various internal pockets for organizing and securing gear. The materials are durable and allow for good ventilation. This pack is holding up well and I'm looking forward many more miles. Highly recommended!

Dbl-A Ron



Thule Vital 6L on 4-8 hour multi day Colorado Trail Ride


I had the opportunity to use this Thule product on a multi-day Colorado Trail adventure ride. It was a great tool. I don't normally like hydration packs, but it is necessary on 4-8 hour rides. The product has been designed to sit lower on your back making it more comfortable and ergonomic. The pack also breathes better than most packs I have tried. There are two other features that are really awesome: 1. The easy access side pockets that you can easily reach when riding. This is great when you are grabbing a snack or your phone to snap a quick pic. 2. The magnetic hydration valve/tube is easy to grab and also snaps back into place with ease. This pack is great for a longer endurance ride!


Golden, CO



5.0 3