Osprey Siskin 8 Hydration Backpack vs Eddie Bauer Alchemist 40/55 Backpack

The main difference between the Osprey Siskin 8 Hydration Backpack and the Eddie Bauer Alchemist 40/55 Backpack is that the Siskin 8 Hydration Backpack has External Pockets (Top zipped pocket) while the Alchemist 40/55 Backpack does not.

Osprey Siskin 8 Hydration Backpack Front View
Eddie Bauer Alchemist 40_55 Backpack - Front View
Specs Brand Osprey Eddie Bauer
Name Siskin 8 Hydration Backpack Alchemist 40/55 Backpack
Category Hydration Hydration
Sub Category Outdoor Outdoor
Capacity (L) 8L 40L - 55L
Dimensions (in) 18.5 x 8.5 x 6.9 26.75 x 11.4 x 8.25
Weight (lb) 1.2 3 lbs. 14 oz.
Fabric 900x600D Polyester 100% nylon
Color 3 colors and patterns Dark Smoke
Warranty Osprey Lifetime Warranty
Release Date December 5, 2018 May 1, 2012
Rating 4.8 4.6
Price Under $100 Under $250
General Features Shoulder Straps Adjustable shoulder straps J shape - adjustable padded strap
Sternum / Chest Straps Adjustable sternum strap with magnetic valve Adjustable chest strap
Hip Belt / Waist Strap Removable waist belt
Zippers Nylon zipper with string pulls
Main Compartment Access Full front zipped access Main compartment side zip—quick access
External Pockets Top zipped pocket
Internal Compartments Internal scratch-free slash pocket
Water Bottle No
Handles Top grab handle Top grab handle
Loops and Attachments LidLock helmet attachment, ;oop for blinky light attachment
Lightweight Lightweight
Travel Features Compression Straps External compression straps Compression-molded back panel
Hiking / Backpacking Features Back Panel Mesh-covered extra deep ridged foam with center air channel Padded
Internal / External Frame Delrin internal frame with integrated tiedown points
Reflective Safety Strips Reflective accent
Hydration Features Bladder Size Includes Osprey Hydraulics LT 2.5L reservoir by Hydrapak
Hydration Compatible Yes Hydration Ready

You're currently comparing the Siskin 8 Hydration Backpack by Osprey against the Alchemist 40/55 Backpack by Eddie Bauer .


Osprey 's Siskin 8 Hydration Backpack is a Hydration backpack with Outdoor features while Eddie Bauer 's Alchemist 40/55 Backpack is a Hydration backpack with Outdoor 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 Eddie Bauer Alchemist 40/55 Backpack's capacity is 40L - 55L with a size of 26.75 x 11.4 x 8.25 inches. Constructed from 100% nylon it weighs 3 lbs. 14 oz. pounds and is available in Dark Smoke.