Osprey Ultralight Stuff Backpack vs Osprey Rook 65 Men's Backpacking Backpack

The main difference between the Osprey Ultralight Stuff Backpack and the Osprey Rook 65 Men's Backpacking Backpack is that the Ultralight Stuff Backpack has Packable / Foldable (Folds into its built-in storage pocket) while the Rook 65 Men's Backpacking Backpack does not.

Osprey Ultralight Stuff Backpack Front View
Osprey Rook 65 Men's Backpacking Backpack Front View
Specs Brand Osprey Osprey
Name Ultralight Stuff Backpack Rook 65 Men's Backpacking Backpack
Category Hiking Backpacking
Sub Category Daypack Mens
Capacity (L) 18L 65L
Dimensions (in) 17 x 9 x 7 29.1 x 16.3 x 14.2
Weight (lb) 0.2 3.5
Fabric 40D Nylon Ripstop 600D Polyester
Color 4 colors and patterns 3 colors and patterns
Warranty Osprey Lifetime Warranty Osprey Lifetime Warranty
Release Date May 30, 2015 February 2, 2019
Rating 4.6 4.8
Price Under $50 Under $175
General Features Shoulder Straps Breathable mesh shoulder straps Soft edgeless padded mesh shoulder straps
Sternum / Chest Straps Adjustable sternum strap with rescue whistle
Hip Belt / Waist Strap Padded hipbelt
Main Compartment Access Normal zipped access Top access with lid
External Pockets 1 zipped top pocket and 2 side pockets Zippered hipbelt pockets, zippered sleeping bag compartment with floating divider, zippered hipbelt pockets, and 2 side pockets
Side Pockets Side pockets can fit water bottle Side pockets can fit water bottle and other gears
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments Cord loop attachment points, loops to anchor an optional Osprey Daylite® daypack, sleeping pad straps
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 raincover
Internal / External Frame Internal 4 mm LightWire peripheral frame
Adjustable Length Torso Intuitive torso adjustment system
Top / Floating Lid Fixed top lid with zippered pocket
Hydration Features Hydration Compatible Yes

You're currently comparing the Ultralight Stuff Backpack by Osprey against the Rook 65 Men's Backpacking Backpack by Osprey .


Osprey 's Ultralight Stuff Backpack is a Hiking backpack with Daypack features while Osprey 's Rook 65 Men's Backpacking Backpack is a Backpacking backpack with Mens 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 Rook 65 Men's Backpacking Backpack's capacity is 65L with a size of 29.1 x 16.3 x 14.2 inches. Constructed from 600D Polyester it weighs 3.5 pounds and is available in 3 colors and patterns.