The main difference between the Gregory Mountain Men's Optic 55 Ultralight Backpack and the Gregory Mountain Men's Baltoro 85 Backpack is that the Men's Optic 55 Ultralight Backpack has Compression Straps (External compression straps) while the Men's Baltoro 85 Backpack does not.
Specs | Brand | Gregory Mountain | Gregory Mountain |
Name | Men's Optic 55 Ultralight Backpack | Men's Baltoro 85 Backpack | |
Category | Mens | Mens | |
Sub Category | Backpacking | Backpacking | |
Capacity (L) | 55L | 85L | |
Dimensions (in) | 23.5 x 12.6 x 4.2 | 28 x 17.5 x 8 | |
Weight (lb) | 2.4 | 5.15 | |
Fabric | Nylon | 630D High-Density Nylon | |
Color | 2 colors and patterns | Dusk Blue | |
Warranty | The Gregory Limited Lifetime Warranty | The Gregory Limited Lifetime Warranty | |
Release Date | November 9, 2017 | November 9, 2017 | |
Rating | 4.1 | 4.8 | |
Price | Under $225 | Under $350 | |
General Features | Shoulder Straps | Padded shoulder straps | 3D air shoulder harness |
Sternum / Chest Straps | Sternum and chest strap | Sternum strap | |
Hip Belt / Waist Strap | 3D comfort cradle hipbelt | 3D comfort cradle hipbelt | |
Zippers | ComfortGrip custom molded loop zipper pullers | ComfortGrip custom molded loop zipper pullers | |
Main Compartment Access | U-zip main opening or full body front access | Front U-Zip access | |
External Pockets | 3 external pockets including weather shield hip belt pocket | 9 external pockets | |
Side Pockets | Side pockets can hold water bottle | Side pockets can fit water bottle and other accessories | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Adjustable attachment loop and upper shock lock | Multiple external attachment points | |
Travel Features | Compression Straps | External compression straps | |
Rear Loading Straps | Yes | ||
Hiking / Backpacking Features | Back Panel | Ventilated back panel | |
Rain Cover | Yes | Yes | |
Internal / External Frame | Aluminum internal frame | ||
Ventilated Back | Yes | ||
Hip Belt Pockets | Yes | Yes | |
Top / Floating Lid | Yes | Yes | |
Trekking Pole Holders | Yes | ||
Hydration Features | Hydration Compatible | Yes | Yes |
Other Features | Other Features | Sidekick Daypack included doubles as an internal hydration sleeve |
Gregory Mountain's Men's Optic 55 Ultralight Backpack is a Mens backpack with Backpacking features while Gregory Mountain's Men's Baltoro 85 Backpack is a Mens backpack with Backpacking 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 Men's Baltoro 85 Backpack's capacity is 85L with a size of 28 x 17.5 x 8 inches. Constructed from 630D High-Density Nylon it weighs 5.15 pounds and is available in Dusk Blue.
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