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

The main difference between the Osprey Sirrus 24 Womens Hiking Backpack and the Osprey Syncro 20 Hydration Backpack is that the Sirrus 24 Womens Hiking Backpack has Internal / External Frame (LightWire alloy internal frame ) while the Syncro 20 Hydration Backpack does not.

Osprey Sirrus 24 Womens Hiking Backpack Side View
Osprey Syncro 20 Hydration Backpack Front View
Specs Brand Osprey Osprey
Name Sirrus 24 Womens Hiking Backpack Syncro 20 Hydration Backpack
Category Womens Hydration
Sub Category Hiking Outdoor
Capacity (L) 24L 20L
Dimensions (in) 19.3 x 11.8 x 11.8 18.9 x 10.4 x 10.6
Weight (lb) 2.6 1.9
Fabric 210D Nylon Crosshatch 100D Nylon Mini Honey Comb
Color 3 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date July 27, 2016 December 28, 2018
Rating 4.7 4.9
Price Under $150 Under $150
General Features Shoulder Straps Adjustable shoulder straps Bike-specific wing shaped shoulder straps
Sternum / Chest Straps Adjustable sternum strap with safety whistle Adjustable sternum strap with magnetic valve
Hip Belt / Waist Strap Hipbelt with pockets Airmesh wrap hipbelt with pockets
Main Compartment Access Normal zipped access Normal zipped access
External Pockets Large top panel zippered slash pocket and dual side stretch mesh pockets Front stretch mesh pocket, scratch-free top slash pocket, and 2 side 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 Stow-on-the-Go trekking pole attachment, ice tool loop with bungee tie-off 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 3D tensioned breathable mesh backpanel AirSpeed backpanel
Rain Cover Integrated raincover Integrated removable high-visibility 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 Sirrus 24 Womens Hiking Backpack by Osprey against the Syncro 20 Hydration Backpack by Osprey .


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

The Osprey Sirrus 24 Womens Hiking Backpack has a capacity of 24L (liters), weighs 2.6 pounds and it's dimensions in inches are 19.3 x 11.8 x 11.8. It's made of 210D Nylon Crosshatch 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.