Osprey Rook 65 Men's Backpacking Backpack vs Gregory Mountain Men's Optic 48 Ultralight Backpack

Osprey Rook 65 Men's Backpacking Backpack Front View
Gregory Mountain Products Men's Optic 48 Ultralight Backpack 1st Front View
Specs Brand Osprey Gregory Mountain
Name Rook 65 Men's Backpacking Backpack Men's Optic 48 Ultralight Backpack
Category Backpacking Mens
Sub Category Mens Backpacking
Capacity (L) 65L 48L
Dimensions (in) 29.1 x 16.3 x 14.2 ‎26 x 14 x 4.5
Weight (lb) 3.5 2.4
Fabric 600D Polyester Nylon
Color 3 colors and patterns 2 colors and patterns
Warranty Osprey Lifetime Warranty The Gregory Limited Lifetime Warranty
Release Date February 2, 2019 November 9, 2017
Rating 4.8 4.6
Price Under $175 Under $250
General Features Shoulder Straps Soft edgeless padded mesh shoulder straps Men's specific die-cut shoulder harness
Sternum / Chest Straps Adjustable sternum strap with rescue whistle Sternum strap
Hip Belt / Waist Strap Padded hipbelt 3D comfort cradle hipbelt
Zippers ComfortGrip custom molded loop zipper pullers
Main Compartment Access Top access with lid U-zip main opening or full body front access
External Pockets Zippered hipbelt pockets, zippered sleeping bag compartment with floating divider, zippered hipbelt pockets, and 2 side pockets 3 external pockets including weather shield hip belt pocket
Side Pockets Side pockets can fit water bottle and other gears Side pockets can hold water bottle
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 Adjustable attachment loop and upper shock lock
Travel Features Compression Straps External compression straps External compression straps
Rear Loading Straps Yes
Hiking / Backpacking Features Back Panel AirSpeed backpanel Ventilated back panel
Rain Cover Integrated removable raincover Yes
Internal / External Frame Internal 4 mm LightWire peripheral frame Aluminum internal frame
Ventilated Back Yes
Adjustable Length Torso Intuitive torso adjustment system Yes
Hip Belt Pockets Yes
Top / Floating Lid Fixed top lid with zippered pocket Yes
Hydration Features Hydration Compatible Yes Yes

You're currently comparing the Rook 65 Men's Backpacking Backpack by Osprey against the Men's Optic 48 Ultralight Backpack by Gregory Mountain .


Osprey 's Rook 65 Men's Backpacking Backpack is a Backpacking backpack with Mens features while Gregory Mountain 's Men's Optic 48 Ultralight Backpack is a Mens backpack with Backpacking features.

The Osprey Rook 65 Men's Backpacking Backpack has a capacity of 65L (liters), weighs 3.5 pounds and it's dimensions in inches are 29.1 x 16.3 x 14.2. It's made of 600D Polyester and is available in 3 colors and patterns in comparison the Gregory Mountain Men's Optic 48 Ultralight Backpack's capacity is 48L with a size of ‎26 x 14 x 4.5 inches. Constructed from Nylon it weighs 2.4 pounds and is available in 2 colors and patterns.