Osprey Siskin 8 Hydration Backpack vs Thule Vital Hydration Pack

The main difference between the Osprey Siskin 8 Hydration Backpack and the Thule Vital Hydration Pack is that the Siskin 8 Hydration Backpack has Handles (Top grab handle) while the Vital Hydration Pack does not.

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

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


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

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