Osprey Tempest 9 Womens Hiking Backpack vs Osprey Siskin 8 Hydration Backpack

The main difference between the Osprey Tempest 9 Womens Hiking Backpack and the Osprey Siskin 8 Hydration Backpack is that the Tempest 9 Womens Hiking Backpack has Hip Belt / Waist Strap (Biostretch hipbelt with pockets) while the Siskin 8 Hydration Backpack does not.

Osprey Tempest 9 Womens Hiking Backpack Side View
Osprey Siskin 8 Hydration Backpack Front View
Specs Brand Osprey Osprey
Name Tempest 9 Womens Hiking Backpack Siskin 8 Hydration Backpack
Category Womens Hydration
Sub Category Hiking Outdoor
Capacity (L) 9L 8L
Dimensions (in) 18.5 x 10.63 x 7.87 18.5 x 8.5 x 6.9
Weight (lb) 1.8 1.2
Fabric 100D x 210D Wave Check High-tenacity Nylon 900x600D Polyester
Color 2 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date January 6, 2017 December 5, 2018
Rating 4.7 4.8
Price Under $200 Under $100
General Features Shoulder Straps Biostretch shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Adjustable sternum strap with safety whistle buckle Adjustable sternum strap with magnetic valve
Hip Belt / Waist Strap Biostretch hipbelt with pockets
Main Compartment Access Normal zipped access Full front zipped access
External Pockets Top panel zippered slash pocket, expandable stretch mesh harness pocket and side stretch mesh pockets Top zipped pocket
Internal Compartments Internal zippered mesh pocket with key clip Internal scratch-free slash pocket
Side Pockets Side pockets can fit water bottle
Water Bottle Yes No
Handles Top grab handle Top grab handle
Loops and Attachments Stow-on-the-Go trekking pole attachment, LidLock bike helmet attachment, adjustable bungee, and blinker light attachment LidLock helmet attachment, ;oop for blinky light attachment
Travel Features Compression Straps External compression straps External compression straps
Hiking / Backpacking Features Back Panel AirScape back panel Mesh-covered extra deep ridged foam with center air channel
Load Lifters Yes
Internal / External Frame Injection-molded AirScape framesheet
Adjustable Length Torso Harness system easily adjusts to fit various torso lengths
Hip Belt Pockets Yes
Trekking Pole Holders Yes
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak
Hydration Compatible Yes Yes

You're currently comparing the Tempest 9 Womens Hiking Backpack by Osprey against the Siskin 8 Hydration Backpack by Osprey .


Osprey 's Tempest 9 Womens Hiking Backpack is a Womens backpack with Hiking features while Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features.

The Osprey Tempest 9 Womens Hiking Backpack has a capacity of 9L (liters), weighs 1.8 pounds and it's dimensions in inches are 18.5 x 10.63 x 7.87. It's made of 100D x 210D Wave Check High-tenacity 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.