Osprey Siskin 8 Hydration Backpack vs Osprey Syncro 20 Hydration Backpack

The main difference between the Osprey Siskin 8 Hydration Backpack and the Osprey Syncro 20 Hydration Backpack is that the Siskin 8 Hydration Backpack has Internal Compartments (Internal scratch-free slash pocket) while the Syncro 20 Hydration Backpack does not.

Osprey Siskin 8 Hydration Backpack Front View
Osprey Syncro 20 Hydration Backpack Front View
Specs Brand Osprey Osprey
Name Siskin 8 Hydration Backpack Syncro 20 Hydration Backpack
Category Hydration Hydration
Sub Category Outdoor Outdoor
Capacity (L) 8L 20L
Dimensions (in) 18.5 x 8.5 x 6.9 18.9 x 10.4 x 10.6
Weight (lb) 1.2 1.9
Fabric 900x600D Polyester 100D Nylon Mini Honey Comb
Color 3 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date December 5, 2018 December 28, 2018
Rating 4.8 4.9
Price Under $100 Under $150
General Features Shoulder Straps Adjustable shoulder straps Bike-specific wing shaped shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic valve Adjustable sternum strap with magnetic valve
Hip Belt / Waist Strap Airmesh wrap hipbelt with pockets
Main Compartment Access Full front zipped access Normal zipped access
External Pockets Top zipped pocket Front stretch mesh pocket, scratch-free top slash 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 LidLock helmet carry, light loop attachment
Business & School Features Organizer Pocket Zippered tool organization pocket
Travel Features Compression Straps External compression straps External compression straps
Hiking / Backpacking Features Back Panel Mesh-covered extra deep ridged foam with center air channel AirSpeed backpanel
Rain Cover Integrated removable high-visibility raincover
Load Lifters Yes
Hip Belt Pockets Yes
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak Includes Osprey Hydraulics® LT 2.5L reservoir
Hydration Compatible Yes Yes

You're currently comparing the Siskin 8 Hydration Backpack by Osprey against the Syncro 20 Hydration Backpack by Osprey .


Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features while Osprey 's Syncro 20 Hydration Backpack 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 Osprey Syncro 20 Hydration Backpack's capacity is 20L with a size of 18.9 x 10.4 x 10.6 inches. Constructed from 100D Nylon Mini Honey Comb it weighs 1.9 pounds and is available in 3 colors and patterns.