Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack vs Osprey Exos 58 Mens Backpacking Backpack

The main difference between the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack and the Osprey Exos 58 Mens Backpacking Backpack is that the Men's Inertia 20 H2O Day Hiking Backpack has Zippers (ComfortGrip custom molded loop zipper pullers) while the Exos 58 Mens Backpacking Backpack does not.

Gregory Mountain Products Men's Inertia 20 H2O Day Hiking Backpack Front View
Osprey Exos 58 Mens Backpacking Backpack Front View
Specs Brand Gregory Mountain Osprey
Name Men's Inertia 20 H2O Day Hiking Backpack Exos 58 Mens Backpacking Backpack
Category Mens Backpacking
Sub Category Backpacking Mens
Capacity (L) 20L 58L
Dimensions (in) 20.08 x 10.83 x 3.15 31.5 x16.14 x 14.57
Weight (lb) 1.9 2.7
Fabric 100% Nylon 100D High Tenacity Nylon
Color 2 colors and patterns 2 colors and patterns
Warranty The Gregory Limited Lifetime Warranty Osprey Lifetime Warranty
Release Date November 9, 2017 February 4, 2015
Rating 4.8 4.6
Price Under $75 Under $250
General Features Shoulder Straps Die-cut shoulder harness Exoform shoulder straps
Sternum / Chest Straps Sternum and chest strap Sternum strap with integrated safety whistle
Hip Belt / Waist Strap 3D comfort cradle hipbelt Exoform hipbelt
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 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 Ice axe attachment with bungee tie-off, accessory cord attachment points, and Stow-on-the-Go trekking pole attachment
Travel Features Compression Straps External compression straps
Rear Loading Straps Yes
Base / Bottom Dual layer bottom panel
Hiking / Backpacking Features Back Panel 3D foam breathable backpanel 3D-tensioned breathable mesh backpanel with side ventilation
Load Lifters Yes
Internal / External Frame 4mm Lightwire alloy internal frame
Ventilated Back Yes
Hip Belt Pockets 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

You're currently comparing the Men's Inertia 20 H2O Day Hiking Backpack by Gregory Mountain against the Exos 58 Mens Backpacking Backpack by Osprey .


Gregory Mountain 's Men's Inertia 20 H2O Day Hiking Backpack is a Mens backpack with Backpacking features while Osprey 's Exos 58 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 Exos 58 Mens Backpacking Backpack's capacity is 58L with a size of 31.5 x16.14 x 14.57 inches. Constructed from 100D High Tenacity Nylon it weighs 2.7 pounds and is available in 2 colors and patterns.