Osprey Siskin 8 Hydration Backpack vs Osprey Manta 24 Mens Hydration Backpack

The main difference between the Osprey Siskin 8 Hydration Backpack and the Osprey Manta 24 Mens Hydration Backpack is that the Siskin 8 Hydration Backpack has Internal Compartments (Internal scratch-free slash pocket) while the Manta 24 Mens Hydration Backpack does not.

Osprey Siskin 8 Hydration Backpack Front View
Osprey Manta 24 Hydration Backpack Front View
Specs Brand Osprey Osprey
Name Siskin 8 Hydration Backpack Manta 24 Mens Hydration Backpack
Category Hydration Hydration
Sub Category Outdoor Hiking
Capacity (L) 8L 24L
Dimensions (in) 18.5 x 8.5 x 6.9 22.0 x 14.2 x 11.8
Weight (lb) 1.2 2.9
Fabric 900x600D Polyester 210D x 630D Nylon Dobby
Color 3 colors and patterns Black, Green
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date December 5, 2018 December 28, 2018
Rating 4.8 4.8
Price Under $100 Under $175
General Features Shoulder Straps Adjustable shoulder straps Padded shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic valve Adjustable sternum strap with magnetic closure and bite valve attachment
Hip Belt / Waist Strap Padded hip belt
Main Compartment Access Full front zipped access Normal zipped access
External Pockets Top zipped pocket 3 front pockets, 2 side pockets and 2 hip belt pockets
Internal Compartments Internal scratch-free slash pocket
Side Pockets Side pockets can fit water bottle and other accessories
Water Bottle No Yes
Handles Top grab handle Top grab handle
Loops and Attachments LidLock helmet attachment, ;oop for blinky light attachment 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 Mesh-covered extra deep ridged foam with center air channel Highly ventilated, 3D-tensioned open mesh AirSpeed backpanel
Rain Cover Integrated raincover
Load Lifters Yes
Adjustable Length Torso Adjustable harness system
Hip Belt Pockets Yes
Trekking Pole Holders Yes
Reflective Safety Strips Reflective accent Reflective accent
Hydration Features Bladder Size Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak Includes 2.5L LT reservoir
Hydration Compatible Yes Yes

You're currently comparing the Siskin 8 Hydration Backpack by Osprey against the Manta 24 Mens Hydration Backpack by Osprey .


Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features while Osprey 's Manta 24 Mens Hydration Backpack is a Hydration backpack with Hiking features.

The Osprey Siskin 8 Hydration Backpack has a capacity of 8L (liters), weighs 1.2 pounds and it's dimensions in inches are 18.5 x 8.5 x 6.9. It's made of 900x600D Polyester and is available in 3 colors and patterns in comparison the Osprey Manta 24 Mens Hydration Backpack's capacity is 24L with a size of 22.0 x 14.2 x 11.8 inches. Constructed from 210D x 630D Nylon Dobby it weighs 2.9 pounds and is available in Black, Green.