The main difference between the Osprey Atmos AG 50 Mens Backpacking Backpack and the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack is that the Atmos AG 50 Mens Backpacking Backpack has Loops and Attachments (Web attachment points, dual ice tool loops, Stow-on-the-Go trekking pole attachment, integrated FlapJacket) while the Men's Inertia 20 H2O Day Hiking Backpack does not.
Specs | Brand | Osprey | Gregory Mountain |
Name | Atmos AG 50 Mens Backpacking Backpack | Men's Inertia 20 H2O Day Hiking Backpack | |
Category | Mens | Mens | |
Sub Category | Backpacking | Backpacking | |
Capacity (L) | 50L | 20L | |
Dimensions (in) | 32.68 x 14.96 x 15.35 | 20.08 x 10.83 x 3.15 | |
Weight (lb) | 4.2 | 1.9 | |
Fabric | 100D X 630D Nylon Dobby | 100% Nylon | |
Color | 3 colors and patterns | 2 colors and patterns | |
Warranty | Osprey Lifetime Warranty | The Gregory Limited Lifetime Warranty | |
Release Date | August 15, 2015 | November 9, 2017 | |
Rating | 4.7 | 4.8 | |
Price | Under $250 | Under $75 | |
General Features | Shoulder Straps | Adjustable shoulder straps | Die-cut shoulder harness |
Sternum / Chest Straps | Sternum strap with integrated safety whistle | Sternum and chest strap | |
Hip Belt / Waist Strap | Fit-on-the-Fly hipbelt with pockets | 3D comfort cradle hipbelt | |
Zippers | ComfortGrip custom molded loop zipper pullers | ||
Main Compartment Access | Top loading access | Normal zipped access | |
External Pockets | Front stretch mesh pocket and 2 stretch mesh side pockets | 5 external pockets | |
Side Pockets | Side pockets can fit 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 | 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 | Innovative AntiGravity suspension | 3D foam breathable backpanel |
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 | Holds 3L hydration reservoir | 3 Liter 3D hydro reservoir |
Replaceable Bladder | Yes | ||
Hydration Compatible | Yes | Yes |
Osprey 's Atmos AG 50 Mens Backpacking Backpack is a Mens backpack with Backpacking features while Gregory Mountain 's Men's Inertia 20 H2O Day Hiking Backpack is a Mens backpack with Backpacking features.
The Osprey Atmos AG 50 Mens Backpacking Backpack has a capacity of 50L (liters), weighs 4.2 pounds and it's dimensions in inches are 32.68 x 14.96 x 15.35. It's made of 100D X 630D Nylon Dobby and is available in 3 colors and patterns in comparison the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack's capacity is 20L with a size of 20.08 x 10.83 x 3.15 inches. Constructed from 100% Nylon it weighs 1.9 pounds and is available in 2 colors and patterns.
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