Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack vs Gregory Mountain Nano 16 Backpack

The main difference between the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack and the Gregory Mountain Nano 16 Backpack is that the Men's Inertia 20 H2O Day Hiking Backpack has Zippers (ComfortGrip custom molded loop zipper pullers) while the Nano 16 Backpack does not.

Gregory Mountain Products Men's Inertia 20 H2O Day Hiking Backpack Front View
Gregory Mountain Products Nano 16 Everyday Outdoor Backpack Front View
Specs Brand Gregory Mountain Gregory Mountain
Name Men's Inertia 20 H2O Day Hiking Backpack Nano 16 Backpack
Category Mens Outdoor
Sub Category Backpacking Hiking
Capacity (L) 20L 16L
Dimensions (in) 20.08 x 10.83 x 3.15 17.32 x 9.45 x 1.18
Weight (lb) 1.9 0.7
Fabric 100% Nylon Nylon
Color 2 colors and patterns 4 colors and patterns
Warranty The Gregory Limited Lifetime Warranty The Gregory Limited Lifetime Warranty
Release Date November 9, 2017
Rating 4.8 4.5
Price Under $75 Under $50
General Features Shoulder Straps Die-cut shoulder harness Padded shoulder straps
Sternum / Chest Straps Sternum and chest strap Sternum strap
Hip Belt / Waist Strap 3D comfort cradle hipbelt Removable hipbelt
Zippers ComfortGrip custom molded loop zipper pullers
Main Compartment Access Normal zipped access Top access with drawcord and flap closure
External Pockets 5 external pockets 2 outer mesh pockets and 1 top zippered pocket
Side Pockets Side pockets can fit water bottle and other accessories Side pockets can fit water bottle and other accessories
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments Gear loops
Travel Features Base / Bottom Dual layer bottom panel
Hiking / Backpacking Features Back Panel 3D foam breathable backpanel Padded back panel
Hip Belt Pockets Yes
Trekking Pole Holders Yes
Hydration Features Bladder Size 3 Liter 3D hydro reservoir
Replaceable Bladder Yes
Hydration Compatible Yes

You're currently comparing the Men's Inertia 20 H2O Day Hiking Backpack by Gregory Mountain against the Nano 16 Backpack by Gregory Mountain .


Gregory Mountain 's Men's Inertia 20 H2O Day Hiking Backpack is a Mens backpack with Backpacking features while Gregory Mountain 's Nano 16 Backpack is a Outdoor backpack with Hiking 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 Gregory Mountain Nano 16 Backpack's capacity is 16L with a size of 17.32 x 9.45 x 1.18 inches. Constructed from Nylon it weighs 0.7 pounds and is available in 4 colors and patterns.