Osprey Ultralight Stuff Backpack vs Osprey Duro 1.5 Mens Running Vest Pack

The main difference between the Osprey Ultralight Stuff Backpack and the Osprey Duro 1.5 Mens Running Vest Pack is that the Ultralight Stuff Backpack has Side Pockets (Side pockets can fit water bottle ) while the Duro 1.5 Mens Running Vest Pack does not.

Osprey Ultralight Stuff Backpack Front View
Osprey Duro 1.5 Mens Running Vest Pack
Specs Brand Osprey Osprey
Name Ultralight Stuff Backpack Duro 1.5 Mens Running Vest Pack
Category Hiking Sports
Sub Category Daypack Running
Capacity (L) 18L 1.5L
Dimensions (in) 17 x 9 x 7 16.5 x 9.8 x 2.8
Weight (lb) 0.2 0.6
Fabric 40D Nylon Ripstop 70D x 140D Nylon Triangle Ripstop
Color 4 colors and patterns 2 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date May 30, 2015 November 16, 2018
Rating 4.6 4.8
Price Under $50 Under $100
General Features Shoulder Straps Breathable mesh shoulder straps Body fit mesh shoulder straps
Sternum / Chest Straps Removable dual chest straps
Main Compartment Access Normal zipped access Top zipped access
External Pockets 1 zipped top pocket and 2 side pockets 1 zipped front pocket, 2 vertical zipped pocket, and 4 stretch mesh pockets
Internal Compartments Internal reservoir sleeve
Side Pockets Side pockets can fit water bottle
Water Bottle Yes
Handles Top grab handle
Loops and Attachments Tuckaway safety whistle
Travel Features Packable / Foldable Folds into its built-in storage pocket
Compression Straps External compression straps
Hiking / Backpacking Features Trekking Pole Holders Trekking pole attachment
Hydration Features Bladder Size Includes Osprey Hydraulics® 1.5 LT reservoir with QuickConnect and sternum strap magnet for bite valve
Hydration Compatible Yes

You're currently comparing the Ultralight Stuff Backpack by Osprey against the Duro 1.5 Mens Running Vest Pack by Osprey .


Osprey 's Ultralight Stuff Backpack is a Hiking backpack with Daypack features while Osprey 's Duro 1.5 Mens Running Vest Pack is a Sports backpack with Running features.

The Osprey Ultralight Stuff Backpack has a capacity of 18L (liters), weighs 0.2 pounds and it's dimensions in inches are 17 x 9 x 7. It's made of 40D Nylon Ripstop and is available in 4 colors and patterns in comparison the Osprey Duro 1.5 Mens Running Vest Pack's capacity is 1.5L with a size of 16.5 x 9.8 x 2.8 inches. Constructed from 70D x 140D Nylon Triangle Ripstop it weighs 0.6 pounds and is available in 2 colors and patterns.