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.
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 |
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 .
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