Osprey Sirrus 24 Womens Hiking Backpack vs Osprey Atmos AG 65 Mens Backpacking Backpack

The main difference between the Osprey Sirrus 24 Womens Hiking Backpack and the Osprey Atmos AG 65 Mens Backpacking Backpack is that the Sirrus 24 Womens Hiking Backpack has Rain Cover (Integrated raincover) while the Atmos AG 65 Mens Backpacking Backpack does not.

Osprey Sirrus 24 Womens Hiking Backpack Side View
Osprey Atmos AG 65 Mens Backpacking Backpack Front View
Specs Brand Osprey Osprey
Name Sirrus 24 Womens Hiking Backpack Atmos AG 65 Mens Backpacking Backpack
Category Womens Backpacking
Sub Category Hiking Mens
Capacity (L) 24L 65L
Dimensions (in) 19.3 x 11.8 x 11.8 34.25 x 15.35 x 16.14
Weight (lb) 2.6 4.7
Fabric 210D Nylon Crosshatch 100D X 630D Nylon Dobby
Color 3 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date July 27, 2016 October 28, 2015
Rating 4.7 4.8
Price Under $150 Under $275
General Features Shoulder Straps Adjustable shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Adjustable sternum strap with safety whistle Sternum strap with integrated safety whistle
Hip Belt / Waist Strap Hipbelt with pockets Fit-on-the-Fly hipbelt with pockets
Main Compartment Access Normal zipped access Top loading access
External Pockets Large top panel zippered slash pocket and dual side stretch mesh pockets Front stretch mesh pocket and 2 stretch mesh 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 Web attachment points, dual ice tool loops, Stow-on-the-Go trekking pole attachment, integrated FlapJacket
Travel Features Compression Straps External compression straps External compression straps
Stowable Straps Removable sleeping pad straps
Hiking / Backpacking Features Back Panel 3D tensioned breathable mesh backpanel Innovative AntiGravity suspension
Rain Cover Integrated raincover
Load Lifters Yes Yes
Internal / External Frame LightWire alloy internal frame LightWire-tensioned, full peripheral frame comfortably transfers pack load
Ventilated Back Yes Yes
Adjustable Length Torso Multiple torso size options with torso adjustability
Hip Belt Pockets Yes Yes
Top / Floating Lid Yes
Trekking Pole Holders Yes Yes
Hydration Features Bladder Size Holds 3L hydration reservoir
Hydration Compatible Yes Yes

You're currently comparing the Sirrus 24 Womens Hiking Backpack by Osprey against the Atmos AG 65 Mens Backpacking Backpack by Osprey.


Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features while Osprey's Atmos AG 65 Mens Backpacking Backpack is a Backpacking backpack with Mens 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 Atmos AG 65 Mens Backpacking Backpack's capacity is 65L with a size of 34.25 x 15.35 x 16.14 inches. Constructed from 100D X 630D Nylon Dobby it weighs 4.7 pounds and is available in 3 colors and patterns.