Thule Vital Hydration Pack vs Osprey Siskin 8 Hydration Backpack

The main difference between the Thule Vital Hydration Pack and the Osprey Siskin 8 Hydration Backpack is that the Vital Hydration Pack has Side Pockets (Side pockets can fit nutrition snacks ) while the Siskin 8 Hydration Backpack does not.

Thule Vital Hydration Pack Front View
Osprey Siskin 8 Hydration Backpack Front View
Specs Brand Thule Osprey
Name Vital Hydration Pack Siskin 8 Hydration Backpack
Category Hydration Hydration
Sub Category Outdoor Outdoor
Capacity (L) 6L 8L
Dimensions (in) 8.7 x 3.5 x 17.5 18.5 x 8.5 x 6.9
Weight (lb) 1.2 1.2
Fabric Nylon 900x600D Polyester
Color 2 colors and patterns 3 colors and patterns
Warranty Thule Guarantee Osprey Lifetime Warranty
Release Date January 16, 2018 December 5, 2018
Rating 4.6 4.8
Price Under $150 Under $100
General Features Shoulder Straps Adjustable shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Sternum strap Adjustable sternum strap with magnetic valve
Main Compartment Access Normal zipped access Full front zipped access
External Pockets Zipped top pocket and 2 quick access side pockets Top zipped pocket
Internal Compartments Internal hydration sleeve, pump sleeves, and and zipped pocket for keys or small essentials Internal scratch-free slash pocket
Side Pockets Side pockets can fit nutrition snacks
Water Bottle No No
Handles Top grab handle
Loops and Attachments Light loop attachment LidLock helmet attachment, ;oop for blinky light attachment
Lightweight Yes
Travel Features Compression Straps External compression straps
Hiking / Backpacking Features Back Panel Mesh-covered extra deep ridged foam with center air channel
Ventilated Back Ventilated back panel
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes 2.5L Hydrapak reservoir Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak
Hydration Compatible YEs Yes
Other Features Other Features Retrakt magnetic hose return system

You're currently comparing the Vital Hydration Pack by Thule against the Siskin 8 Hydration Backpack by Osprey .


Thule 's Vital Hydration Pack is a Hydration backpack with Outdoor features while Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features.

The Thule Vital Hydration Pack has a capacity of 6L (liters), weighs 1.2 pounds and it's dimensions in inches are 8.7 x 3.5 x 17.5 . It's made of Nylon and is available in 2 colors and patterns in comparison the Osprey Siskin 8 Hydration Backpack's capacity is 8L with a size of 18.5 x 8.5 x 6.9 inches. Constructed from 900x600D Polyester it weighs 1.2 pounds and is available in 3 colors and patterns.