Gregory Mountain Nano 20 Backpack vs Patagonia Altvia Pack 36L Backpack

The main difference between the Gregory Mountain Nano 20 Backpack and the Patagonia Altvia Pack 36L Backpack is that the Nano 20 Backpack has Side Pockets (Side pockets can fit water bottle and other accessories) while the Altvia Pack 36L Backpack does not.

Gregory Mountain Products Nano 20 Everyday Outdoor Backpack 1st Front View
Patagonia Altvia Pack 36L Backpack - Front View
Specs Brand Gregory Mountain Patagonia
Name Nano 20 Backpack Altvia Pack 36L Backpack
Category Backpacking Backpacking
Sub Category Hiking Hiking
Capacity (L) 20L 36L
Dimensions (in) 19.2 x 1.7 x 1 23.5 x 12 x 10.5
Weight (lb) 1.5 2.18
Fabric Nylon 100% recycled nylon
Color Obsidian Black Noble Grey
Warranty The Gregory Limited Lifetime Warranty
Rating 4.0
Price Under $75 Under $150
General Features Shoulder Straps Air mesh padded shoulder straps Straight - adjustable padded strap
Sternum / Chest Straps Sternum strap Adjustable chest strap
Hip Belt / Waist Strap Removable hip belt Adjustable waist strap
Zippers Nylon zipper with metal pulls
Main Compartment Access Normal zipped access Flap with buckle
External Pockets 1 zipped front pocket and 2 side pockets 2 zip hip belt pockets
Internal Compartments 1 zip pocket, 1 slip-in pocket
Side Pockets Side pockets can fit water bottle and other accessories
Water Bottle Yes
Handles Top grab handle Top grab handle
Business & School Features Tablet Sleeve Tablet sleeve fits up to 10”
Hiking / Backpacking Features Back Panel Breathable back panel Padded
Rain Cover Rain cover included; pack volume is 36 liters
Hydration Features Hydration Compatible Yes Yes

You're currently comparing the Nano 20 Backpack by Gregory Mountain against the Altvia Pack 36L Backpack by Patagonia.


Gregory Mountain 's Nano 20 Backpack is a Backpacking backpack with Hiking features while Patagonia's Altvia Pack 36L Backpack is a Backpacking backpack with Hiking 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 Patagonia Altvia Pack 36L Backpack's capacity is 36L with a size of 23.5 x 12 x 10.5 inches. Constructed from 100% recycled nylon it weighs 2.18 pounds and is available in Noble Grey.