Osprey Siskin 8 Hydration Backpack vs Osprey Exos 58 Mens Backpacking Backpack

The main difference between the Osprey Siskin 8 Hydration Backpack and the Osprey Exos 58 Mens Backpacking Backpack is that the Siskin 8 Hydration Backpack has Internal Compartments (Internal scratch-free slash pocket) while the Exos 58 Mens Backpacking Backpack does not.

Osprey Siskin 8 Hydration Backpack Front View
Osprey Exos 58 Mens Backpacking Backpack Front View
Specs Brand Osprey Osprey
Name Siskin 8 Hydration Backpack Exos 58 Mens Backpacking Backpack
Category Hydration Backpacking
Sub Category Outdoor Mens
Capacity (L) 8L 58L
Dimensions (in) 18.5 x 8.5 x 6.9 31.5 x16.14 x 14.57
Weight (lb) 1.2 2.7
Fabric 900x600D Polyester 100D High Tenacity Nylon
Color 3 colors and patterns 2 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date December 5, 2018 February 4, 2015
Rating 4.8 4.6
Price Under $100 Under $250
General Features Shoulder Straps Adjustable shoulder straps Exoform shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic valve Sternum strap with integrated safety whistle
Hip Belt / Waist Strap Exoform hipbelt
Main Compartment Access Full front zipped access Top loading access
External Pockets Top zipped pocket Front stretch mesh pocket and 2 side pockets
Internal Compartments Internal scratch-free slash pocket
Side Pockets Side pockets can fit water bottle
Water Bottle No Yes
Handles Top grab handle Top grab handle
Loops and Attachments LidLock helmet attachment, ;oop for blinky light attachment Ice axe attachment with bungee tie-off, accessory cord attachment points, and Stow-on-the-Go trekking pole attachment
Travel Features Compression Straps External compression straps External compression straps
Rear Loading Straps Yes
Hiking / Backpacking Features Back Panel Mesh-covered extra deep ridged foam with center air channel 3D-tensioned breathable mesh backpanel with side ventilation
Load Lifters Yes
Internal / External Frame 4mm Lightwire alloy internal frame
Ventilated Back Yes
Top / Floating Lid Yes
Trekking Pole Holders Yes
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak Holds 3L hydration reservoir
Hydration Compatible Yes Yes

You're currently comparing the Siskin 8 Hydration Backpack by Osprey against the Exos 58 Mens Backpacking Backpack by Osprey .


Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features while Osprey 's Exos 58 Mens Backpacking Backpack is a Backpacking backpack with Mens 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 Osprey Exos 58 Mens Backpacking Backpack's capacity is 58L with a size of 31.5 x16.14 x 14.57 inches. Constructed from 100D High Tenacity Nylon it weighs 2.7 pounds and is available in 2 colors and patterns.