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 |
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.
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