Osprey Ultralight Stuff Backpack vs Osprey Syncro 20 Hydration Backpack

The main difference between the Osprey Ultralight Stuff Backpack and the Osprey Syncro 20 Hydration Backpack is that the Ultralight Stuff Backpack has Packable / Foldable (Folds into its built-in storage pocket) while the Syncro 20 Hydration Backpack does not.

Osprey Ultralight Stuff Backpack Front View
Osprey Syncro 20 Hydration Backpack Front View
Specs Brand Osprey Osprey
Name Ultralight Stuff Backpack Syncro 20 Hydration Backpack
Category Hiking Hydration
Sub Category Daypack Outdoor
Capacity (L) 18L 20L
Dimensions (in) 17 x 9 x 7 18.9 x 10.4 x 10.6
Weight (lb) 0.2 1.9
Fabric 40D Nylon Ripstop 100D Nylon Mini Honey Comb
Color 4 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date May 30, 2015 December 28, 2018
Rating 4.6 4.9
Price Under $50 Under $150
General Features Shoulder Straps Breathable mesh shoulder straps Bike-specific wing shaped shoulder straps
Sternum / Chest Straps Adjustable sternum strap with magnetic valve
Hip Belt / Waist Strap Airmesh wrap hipbelt with pockets
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 1 zipped top pocket and 2 side pockets Front stretch mesh pocket, scratch-free top slash pocket, and 2 side pockets
Side Pockets Side pockets can fit water bottle Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments LidLock helmet carry, light loop attachment
Business & School Features Organizer Pocket Zippered tool organization pocket
Travel Features Packable / Foldable Folds into its built-in storage pocket
Compression Straps External compression straps
Hiking / Backpacking Features Back Panel AirSpeed backpanel
Rain Cover Integrated removable high-visibility raincover
Load Lifters Yes
Hip Belt Pockets Yes
Hydration Features Bladder Size Includes Osprey Hydraulics® LT 2.5L reservoir
Hydration Compatible Yes

You're currently comparing the Ultralight Stuff Backpack by Osprey against the Syncro 20 Hydration Backpack by Osprey .


Osprey 's Ultralight Stuff Backpack is a Hiking backpack with Daypack features while Osprey 's Syncro 20 Hydration Backpack is a Hydration backpack with Outdoor 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 Syncro 20 Hydration Backpack's capacity is 20L with a size of 18.9 x 10.4 x 10.6 inches. Constructed from 100D Nylon Mini Honey Comb it weighs 1.9 pounds and is available in 3 colors and patterns.