Osprey Manta 24 Mens Hydration Backpack vs Osprey Sirrus 24 Womens Hiking Backpack

The main difference between the Osprey Manta 24 Mens Hydration Backpack and the Osprey Sirrus 24 Womens Hiking Backpack is that the Manta 24 Mens Hydration Backpack has Organizer Pocket (Front pocket with internal organization) while the Sirrus 24 Womens Hiking Backpack does not.

Osprey Manta 24 Hydration Backpack Front View
Osprey Sirrus 24 Womens Hiking Backpack Side View
Specs Brand Osprey Osprey
Name Manta 24 Mens Hydration Backpack Sirrus 24 Womens Hiking Backpack
Category Hydration Womens
Sub Category Hiking Hiking
Capacity (L) 24L 24L
Dimensions (in) 22.0 x 14.2 x 11.8 19.3 x 11.8 x 11.8
Weight (lb) 2.9 2.6
Fabric 210D x 630D Nylon Dobby 210D Nylon Crosshatch
Color Black, Green 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date December 28, 2018 July 27, 2016
Rating 4.8 4.7
Price Under $175 Under $150
General Features Shoulder Straps Padded shoulder straps Adjustable shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic closure and bite valve attachment Adjustable sternum strap with safety whistle
Hip Belt / Waist Strap Padded hip belt Hipbelt with pockets
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 3 front pockets, 2 side pockets and 2 hip belt pockets Large top panel zippered slash pocket and dual side stretch mesh pockets
Side Pockets Side pockets can fit water bottle and other accessories Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments Trekking pole attachment, ice tool loop with bungee tie off Stow-on-the-Go trekking pole attachment, ice tool loop with bungee tie-off
Business & School Features Organizer Pocket Front pocket with internal organization
Travel Features Compression Straps External compression straps External compression straps
Hiking / Backpacking Features Back Panel Highly ventilated, 3D-tensioned open mesh AirSpeed backpanel 3D tensioned breathable mesh backpanel
Rain Cover Integrated raincover Integrated raincover
Load Lifters Yes Yes
Internal / External Frame LightWire alloy internal frame
Ventilated Back Yes
Adjustable Length Torso Adjustable harness system Multiple torso size options with torso adjustability
Hip Belt Pockets Yes Yes
Trekking Pole Holders Yes Yes
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes 2.5L LT reservoir
Hydration Compatible Yes Yes

You're currently comparing the Manta 24 Mens Hydration Backpack by Osprey against the Sirrus 24 Womens Hiking Backpack by Osprey.


Osprey 's Manta 24 Mens Hydration Backpack is a Hydration backpack with Hiking features while Osprey's Sirrus 24 Womens Hiking Backpack is a Womens backpack with Hiking features.

The Osprey Manta 24 Mens Hydration Backpack has a capacity of 24L (liters), weighs 2.9 pounds and it's dimensions in inches are 22.0 x 14.2 x 11.8. It's made of 210D x 630D Nylon Dobby and is available in Black, Green in comparison the Osprey Sirrus 24 Womens Hiking Backpack's capacity is 24L with a size of 19.3 x 11.8 x 11.8 inches. Constructed from 210D Nylon Crosshatch it weighs 2.6 pounds and is available in 3 colors and patterns.