Osprey Syncro 20 Hydration Backpack vs Osprey Sirrus 24 Womens Hiking Backpack

The main difference between the Osprey Syncro 20 Hydration Backpack and the Osprey Sirrus 24 Womens Hiking Backpack is that the Syncro 20 Hydration Backpack has Organizer Pocket (Zippered tool organization pocket) while the Sirrus 24 Womens Hiking Backpack does not.

Osprey Syncro 20 Hydration Backpack Front View
Osprey Sirrus 24 Womens Hiking Backpack Side View
Specs Brand Osprey Osprey
Name Syncro 20 Hydration Backpack Sirrus 24 Womens Hiking Backpack
Category Hydration Womens
Sub Category Outdoor Hiking
Capacity (L) 20L 24L
Dimensions (in) 18.9 x 10.4 x 10.6 19.3 x 11.8 x 11.8
Weight (lb) 1.9 2.6
Fabric 100D Nylon Mini Honey Comb 210D Nylon Crosshatch
Color 3 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date December 28, 2018 July 27, 2016
Rating 4.9 4.7
Price Under $150 Under $150
General Features Shoulder Straps Bike-specific wing shaped shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic valve Adjustable sternum strap with safety whistle
Hip Belt / Waist Strap Airmesh wrap hipbelt with pockets Hipbelt with pockets
Main Compartment Access Normal zipped access Normal zipped access
External Pockets Front stretch mesh pocket, scratch-free top slash pocket, and 2 side pockets Large top panel zippered slash pocket and dual side stretch mesh pockets
Side Pockets Side pockets can fit water bottle Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments LidLock helmet carry, light loop attachment Stow-on-the-Go trekking pole attachment, ice tool loop with bungee tie-off
Business & School Features Organizer Pocket Zippered tool organization pocket
Travel Features Compression Straps External compression straps External compression straps
Hiking / Backpacking Features Back Panel AirSpeed backpanel 3D tensioned breathable mesh backpanel
Rain Cover Integrated removable high-visibility raincover Integrated raincover
Load Lifters Yes Yes
Internal / External Frame LightWire alloy internal frame
Ventilated Back Yes
Adjustable Length Torso Multiple torso size options with torso adjustability
Hip Belt Pockets Yes Yes
Trekking Pole Holders Yes
Hydration Features Bladder Size Includes Osprey Hydraulics® LT 2.5L reservoir
Hydration Compatible Yes Yes

You're currently comparing the Syncro 20 Hydration Backpack by Osprey against the Sirrus 24 Womens Hiking Backpack by Osprey.


Osprey 's Syncro 20 Hydration Backpack is a Hydration backpack with Outdoor features while Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features.

The Osprey Syncro 20 Hydration Backpack has a capacity of 20L (liters), weighs 1.9 pounds and it's dimensions in inches are 18.9 x 10.4 x 10.6. It's made of 100D Nylon Mini Honey Comb and is available in 3 colors and patterns in comparison the Osprey Sirrus 24 Womens Hiking Backpack's capacity is 24L with a size of 19.3 x 11.8 x 11.8 inches. Constructed from 210D Nylon Crosshatch it weighs 2.6 pounds and is available in 3 colors and patterns.