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.
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 |
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.
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