The main difference between the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack and the Osprey Atmos AG 65 Mens Backpacking Backpack is that the Men's Inertia 20 H2O Day Hiking Backpack has Zippers (ComfortGrip custom molded loop zipper pullers) while the Atmos AG 65 Mens Backpacking Backpack does not.
Specs | Brand | Gregory Mountain | Osprey |
Name | Men's Inertia 20 H2O Day Hiking Backpack | Atmos AG 65 Mens Backpacking Backpack | |
Category | Mens | Backpacking | |
Sub Category | Backpacking | Mens | |
Capacity (L) | 20L | 65L | |
Dimensions (in) | 20.08 x 10.83 x 3.15 | 34.25 x 15.35 x 16.14 | |
Weight (lb) | 1.9 | 4.7 | |
Fabric | 100% Nylon | 100D X 630D Nylon Dobby | |
Color | 2 colors and patterns | 3 colors and patterns | |
Warranty | The Gregory Limited Lifetime Warranty | Osprey Lifetime Warranty | |
Release Date | November 9, 2017 | October 28, 2015 | |
Rating | 4.8 | 4.8 | |
Price | Under $75 | Under $275 | |
General Features | Shoulder Straps | Die-cut shoulder harness | Adjustable shoulder straps |
Sternum / Chest Straps | Sternum and chest strap | Sternum strap with integrated safety whistle | |
Hip Belt / Waist Strap | 3D comfort cradle hipbelt | Fit-on-the-Fly hipbelt with pockets | |
Zippers | ComfortGrip custom molded loop zipper pullers | ||
Main Compartment Access | Normal zipped access | Top loading access | |
External Pockets | 5 external pockets | Front stretch mesh pocket and 2 stretch mesh side pockets | |
Side Pockets | Side pockets can fit water bottle and other accessories | Side pockets can fit water bottle | |
Water Bottle | Yes | Yes | |
Handles | Top grab handle | Top grab handle | |
Loops and Attachments | Web attachment points, dual ice tool loops, Stow-on-the-Go trekking pole attachment, integrated FlapJacket | ||
Travel Features | Compression Straps | External compression straps | |
Stowable Straps | Removable sleeping pad straps | ||
Base / Bottom | Dual layer bottom panel | ||
Hiking / Backpacking Features | Back Panel | 3D foam breathable backpanel | Innovative AntiGravity suspension |
Load Lifters | Yes | ||
Internal / External Frame | LightWire-tensioned, full peripheral frame comfortably transfers pack load | ||
Ventilated Back | Yes | ||
Hip Belt Pockets | Yes | Yes | |
Top / Floating Lid | Yes | ||
Trekking Pole Holders | Yes | Yes | |
Hydration Features | Bladder Size | 3 Liter 3D hydro reservoir | Holds 3L hydration reservoir |
Replaceable Bladder | Yes | ||
Hydration Compatible | Yes | Yes |
Gregory Mountain 's Men's Inertia 20 H2O Day Hiking Backpack is a Mens backpack with Backpacking features while Osprey's Atmos AG 65 Mens Backpacking Backpack is a Backpacking backpack with Mens features.
The Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack has a capacity of 20L (liters), weighs 1.9 pounds and it's dimensions in inches are 20.08 x 10.83 x 3.15. It's made of 100% Nylon and is available in 2 colors and patterns in comparison the Osprey Atmos AG 65 Mens Backpacking Backpack's capacity is 65L with a size of 34.25 x 15.35 x 16.14 inches. Constructed from 100D X 630D Nylon Dobby it weighs 4.7 pounds and is available in 3 colors and patterns.
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