Hydro Flask 14L Down Shift Hydration Backpack vs Osprey Siskin 8 Hydration Backpack

The main difference between the Hydro Flask 14L Down Shift Hydration Backpack and the Osprey Siskin 8 Hydration Backpack is that the 14L Down Shift Hydration Backpack has Hip Belt / Waist Strap (Adjustable hip strap) while the Siskin 8 Hydration Backpack does not.

Hydro Flask 14L Down Shift Hydration Backpack Front View
Osprey Siskin 8 Hydration Backpack Front View
Specs Brand Hydro Flask Osprey
Name 14L Down Shift Hydration Backpack Siskin 8 Hydration Backpack
Category Hydration Hydration
Sub Category Outdoor Outdoor
Capacity (L) 14L 8L
Dimensions (in) 18 x 10 x 7 18.5 x 8.5 x 6.9
Weight (lb) 2.2 1.2
Fabric 900x600D Polyester
Color 3 colors and patterns 3 colors and patterns
Warranty Hydro Flask Lifetime Warranty Osprey Lifetime Warranty
Release Date January 9, 2020 December 5, 2018
Rating 4.9 4.8
Price Under $150 Under $100
General Features Shoulder Straps Adjustable shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Adjustable sternum strap with integrated whistle Adjustable sternum strap with magnetic valve
Hip Belt / Waist Strap Adjustable hip strap
Main Compartment Access Normal zipped access Full front zipped access
External Pockets Soft pocket for sunglasses or a phone Top zipped pocket
Internal Compartments Insulated hydration sleeve Internal scratch-free slash pocket
Water Bottle No No
Handles Top grab handle Top grab handle
Loops and Attachments Helmet attachment loops, webbing loop for bike light attachment LidLock helmet attachment, ;oop for blinky light attachment
Travel Features Compression Straps External compression straps
Hiking / Backpacking Features Back Panel Padded back panel Mesh-covered extra deep ridged foam with center air channel
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size HydraPak® IsoBound™ 2L Insulated Reservoir Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak
Hydration Compatible Yes Yes
Other Features Other Features High-flow HydraPak® Blaster Bite Valve self-seals after each sip

You're currently comparing the 14L Down Shift Hydration Backpack by Hydro Flask against the Siskin 8 Hydration Backpack by Osprey .


Hydro Flask 's 14L Down Shift Hydration Backpack is a Hydration backpack with Outdoor features while Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features.

The Hydro Flask 14L Down Shift Hydration Backpack has a capacity of 14L (liters), weighs 2.2 pounds and it's dimensions in inches are 18 x 10 x 7. It's made of and is available in 3 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.