The main difference between the Gregory Mountain Men's Optic 55 Ultralight Backpack and the Gregory Mountain Mountain Baltoro 65 Backpack is that the Men's Optic 55 Ultralight Backpack has Back Panel (Ventilated back panel) while the Mountain Baltoro 65 Backpack does not.
Specs | Brand | Gregory Mountain | Gregory Mountain |
Name | Men's Optic 55 Ultralight Backpack | Mountain Baltoro 65 Backpack | |
Category | Mens | Hiking | |
Sub Category | Backpacking | Travel | |
Capacity (L) | 55L | 62L | |
Dimensions (in) | 23.5 x 12.6 x 4.2 | 28 x 13 x 13 | |
Weight (lb) | 2.4 | 4.7 | |
Fabric | Nylon | 100% Nylon | |
Color | 2 colors and patterns | 3 colors and patterns | |
Warranty | The Gregory Limited Lifetime Warranty | The Gregory Limited Lifetime Warranty | |
Release Date | November 9, 2017 | September 6, 2012 | |
Rating | 4.1 | 4.8 | |
Price | Under $225 | Under $300 | |
General Features | Shoulder Straps | Padded shoulder straps | 3D air shoulder harness |
Sternum / Chest Straps | Sternum and chest strap | Chest strap | |
Hip Belt / Waist Strap | 3D comfort cradle hipbelt | 3D air hipbelt | |
Zippers | ComfortGrip custom molded loop zipper pullers | Comfort grip custom molded loop zipper pullers | |
Main Compartment Access | U-zip main opening or full body front access | U-zip main opening or full body front access | |
External Pockets | 3 external pockets including weather shield hip belt pocket | 9 external pockets including weather shield hip belt pocket | |
Side Pockets | Side pockets can hold water bottle | Side pockets can hold water bottle | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Adjustable attachment loop and upper shock lock | Sunglass quick stow system | |
Travel Features | Compression Straps | External compression straps | External compression straps |
Stowable Straps | Stowable sleeping bag straps | ||
Rear Loading Straps | Yes | Yes | |
Base / Bottom | Dual layer bottom panel | ||
Hiking / Backpacking Features | Back Panel | Ventilated back panel | |
Rain Cover | Yes | Custom fitted rain cover included | |
Internal / External Frame | Aluminum internal frame | Internal wishbone aluminum frame | |
Ergonomic | Matrix ventilated back panel with layered, multi-density foam | ||
Ventilated Back | Yes | ||
Adjustable Length Torso | Response A3 suspension with auto angle adjust | ||
Hip Belt Pockets | Yes | Yes | |
Top / Floating Lid | Yes | Yes | |
Trekking Pole Holders | Yes | ||
Hydration Features | Hydration Compatible | Yes | Yes |
Gregory Mountain's Men's Optic 55 Ultralight Backpack is a Mens backpack with Backpacking features while Gregory Mountain's Mountain Baltoro 65 Backpack is a Hiking backpack with Travel features.
The Gregory Mountain Men's Optic 55 Ultralight Backpack has a capacity of 55L (liters), weighs 2.4 pounds and it's dimensions in inches are 23.5 x 12.6 x 4.2 . It's made of Nylon and is available in 2 colors and patterns in comparison the Gregory Mountain Mountain Baltoro 65 Backpack's capacity is 62L with a size of 28 x 13 x 13 inches. Constructed from 100% Nylon it weighs 4.7 pounds and is available in 3 colors and patterns.
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