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

The main difference between the Gregory Mountain Nano 20 Backpack and the Gregory Mountain Men's Inertia 20 H2O Day Hiking Backpack is that the Nano 20 Backpack has Tablet Sleeve (Tablet sleeve fits up to 10”) while the Men's Inertia 20 H2O Day Hiking Backpack does not.

Gregory Mountain Products Nano 20 Everyday Outdoor Backpack 1st Front View
Gregory Mountain Products Men's Inertia 20 H2O Day Hiking Backpack Front View
Specs Brand Gregory Mountain Gregory Mountain
Name Nano 20 Backpack Men's Inertia 20 H2O Day Hiking Backpack
Category Backpacking Mens
Sub Category Hiking Backpacking
Capacity (L) 20L 20L
Dimensions (in) 19.2 x 1.7 x 1 20.08 x 10.83 x 3.15
Weight (lb) 1.5 1.9
Fabric Nylon 100% Nylon
Color Obsidian Black 2 colors and patterns
Warranty The Gregory Limited Lifetime Warranty The Gregory Limited Lifetime Warranty
Release Date November 9, 2017
Rating 4.0 4.8
Price Under $75 Under $75
General Features Shoulder Straps Air mesh padded shoulder straps Die-cut shoulder harness
Sternum / Chest Straps Sternum strap Sternum and chest strap
Hip Belt / Waist Strap Removable hip belt 3D comfort cradle hipbelt
Zippers ComfortGrip custom molded loop zipper pullers
Main Compartment Access Normal zipped access Normal zipped access
External Pockets 1 zipped front pocket and 2 side pockets 5 external pockets
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
Business & School Features Tablet Sleeve Tablet sleeve fits up to 10”
Travel Features Base / Bottom Dual layer bottom panel
Hiking / Backpacking Features Back Panel Breathable back panel 3D foam breathable backpanel
Hip Belt Pockets Yes
Trekking Pole Holders Yes
Hydration Features Bladder Size 3 Liter 3D hydro reservoir
Replaceable Bladder Yes
Hydration Compatible Yes Yes

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


Gregory Mountain 's Nano 20 Backpack is a Backpacking backpack with Hiking features while Gregory Mountain 's Men's Inertia 20 H2O Day Hiking Backpack is a Mens backpack with Backpacking features.

The Gregory Mountain Nano 20 Backpack has a capacity of 20L (liters), weighs 1.5 pounds and it's dimensions in inches are 19.2 x 1.7 x 1. It's made of Nylon and is available in Obsidian Black 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.