The main difference between the Osprey Sirrus 24 Womens Hiking Backpack and the Osprey Radial Bike Commute Backpack is that the Sirrus 24 Womens Hiking Backpack has Compression Straps (External compression straps) while the Radial Bike Commute Backpack does not.
Specs | Brand | Osprey | Osprey |
Name | Sirrus 24 Womens Hiking Backpack | Radial Bike Commute Backpack | |
Category | Womens | Commuter | |
Sub Category | Hiking | Everyday | |
Capacity (L) | 24L | 34L | |
Dimensions (in) | 19.3 x 11.8 x 11.8 | 20.49 x 13.79 x 11.82 | |
Weight (lb) | 2.6 | 3.3 | |
Fabric | 210D Nylon Crosshatch | 210D Nylon Dobby | |
Color | 3 colors and patterns | 3 colors and patterns | |
Warranty | Osprey Lifetime Warranty | Osprey Lifetime Warranty | |
Release Date | July 27, 2016 | July 31, 2019 | |
Rating | 4.7 | 4.6 | |
Price | Under $150 | Under $200 | |
General Features | Shoulder Straps | Adjustable shoulder straps | Adjustable shoulder straps |
Sternum / Chest Straps | Adjustable sternum strap with safety whistle | Adjustable sternum strap with safety whistle | |
Hip Belt / Waist Strap | Hipbelt with pockets | Webbing hipbelt | |
Main Compartment Access | Normal zipped access | Normal zipped access | |
External Pockets | Large top panel zippered slash pocket and dual side stretch mesh pockets | Scratch-free zippered pocket and 2 side zipped pockets | |
Internal Compartments | Document sleeve and internal organization | ||
Side Pockets | Side pockets can fit water bottle | Side pockets can fit water bottle and other accessories | |
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, blinker light attachment | |
Business & School Features | Laptop Sleeve | Padded laptop sleeve fits up to 15" | |
Organizer Pocket | Front organization pocket | ||
Travel Features | Compression Straps | External compression straps | |
Hiking / Backpacking Features | Back Panel | 3D tensioned breathable mesh backpanel | Airspeed back panel |
Rain Cover | Integrated raincover | Built-in raincover | |
Load Lifters | Yes | ||
Internal / External Frame | LightWire alloy internal frame | ||
Ventilated Back | Yes | Mesh-covered die-cut foam for ventilation | |
Adjustable Length Torso | Multiple torso size options with torso adjustability | ||
Hip Belt Pockets | Yes | ||
Trekking Pole Holders | Yes | ||
Reflective Safety Strips | Reflective prints and zipper pulls | ||
Gym / Sports Features | Laundry Pocket | Separate compartment for dirty clothes or shoes | |
Hydration Features | Hydration Compatible | Yes |
Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features while Osprey 's Radial Bike Commute Backpack is a Commuter backpack with Everyday 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 Radial Bike Commute Backpack's capacity is 34L with a size of 20.49 x 13.79 x 11.82 inches. Constructed from 210D Nylon Dobby it weighs 3.3 pounds and is available in 3 colors and patterns.