The main difference between the Osprey Sirrus 24 Womens Hiking Backpack and the Osprey Siskin 8 Hydration Backpack is that the Sirrus 24 Womens Hiking Backpack has Hip Belt / Waist Strap (Hipbelt with pockets) while the Siskin 8 Hydration Backpack does not.
Specs | Brand | Osprey | Osprey |
Name | Sirrus 24 Womens Hiking Backpack | Siskin 8 Hydration Backpack | |
Category | Womens | Hydration | |
Sub Category | Hiking | Outdoor | |
Capacity (L) | 24L | 8L | |
Dimensions (in) | 19.3 x 11.8 x 11.8 | 18.5 x 8.5 x 6.9 | |
Weight (lb) | 2.6 | 1.2 | |
Fabric | 210D Nylon Crosshatch | 900x600D Polyester | |
Color | 3 colors and patterns | 3 colors and patterns | |
Warranty | Osprey Lifetime Warranty | Osprey Lifetime Warranty | |
Release Date | July 27, 2016 | December 5, 2018 | |
Rating | 4.7 | 4.8 | |
Price | Under $150 | Under $100 | |
General Features | Shoulder Straps | Adjustable shoulder straps | Adjustable shoulder straps |
Sternum / Chest Straps | Adjustable sternum strap with safety whistle | Adjustable sternum strap with magnetic valve | |
Hip Belt / Waist Strap | Hipbelt with pockets | ||
Main Compartment Access | Normal zipped access | Full front zipped access | |
External Pockets | Large top panel zippered slash pocket and dual side stretch mesh pockets | Top zipped pocket | |
Internal Compartments | Internal scratch-free slash pocket | ||
Side Pockets | Side pockets can fit water bottle | ||
Water Bottle | Yes | No | |
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 attachment, ;oop for blinky light attachment | |
Travel Features | Compression Straps | External compression straps | External compression straps |
Hiking / Backpacking Features | Back Panel | 3D tensioned breathable mesh backpanel | Mesh-covered extra deep ridged foam with center air channel |
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 | ||
Reflective Safety Strips | Reflective accent | ||
Hydration Features | Bladder Size | Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak | |
Hydration Compatible | Yes | Yes |
Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features while Osprey 's Siskin 8 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 Siskin 8 Hydration Backpack's capacity is 8L with a size of 18.5 x 8.5 x 6.9 inches. Constructed from 900x600D Polyester it weighs 1.2 pounds and is available in 3 colors and patterns.
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