Osprey Sirrus 24 Womens Hiking Backpack vs Osprey Ultralight Stuff Backpack

The main difference between the Osprey Sirrus 24 Womens Hiking Backpack and the Osprey Ultralight Stuff Backpack is that the Sirrus 24 Womens Hiking Backpack has Sternum / Chest Straps (Adjustable sternum strap with safety whistle) while the Ultralight Stuff Backpack does not.

Osprey Sirrus 24 Womens Hiking Backpack Side View
Osprey Ultralight Stuff Backpack Front View
Specs Brand Osprey Osprey
Name Sirrus 24 Womens Hiking Backpack Ultralight Stuff Backpack
Category Womens Hiking
Sub Category Hiking Daypack
Capacity (L) 24L 18L
Dimensions (in) 19.3 x 11.8 x 11.8 17 x 9 x 7
Weight (lb) 2.6 0.2
Fabric 210D Nylon Crosshatch 40D Nylon Ripstop
Color 3 colors and patterns 4 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date July 27, 2016 May 30, 2015
Rating 4.7 4.6
Price Under $150 Under $50
General Features Shoulder Straps Adjustable shoulder straps Breathable mesh shoulder straps
Sternum / Chest Straps Adjustable sternum strap with safety whistle
Hip Belt / Waist Strap 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 1 zipped top 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
Travel Features Packable / Foldable Folds into its built-in storage pocket
Compression Straps External compression straps
Hiking / Backpacking Features Back Panel 3D tensioned breathable mesh backpanel
Rain Cover Integrated raincover
Load Lifters 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
Trekking Pole Holders Yes
Hydration Features Hydration Compatible Yes

You're currently comparing the Sirrus 24 Womens Hiking Backpack by Osprey against the Ultralight Stuff Backpack by Osprey .


Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features while Osprey 's Ultralight Stuff Backpack is a Hiking backpack with Daypack 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 Ultralight Stuff Backpack's capacity is 18L with a size of 17 x 9 x 7 inches. Constructed from 40D Nylon Ripstop it weighs 0.2 pounds and is available in 4 colors and patterns .