Gregory Mountain Nano 18 Backpack vs Patagonia Altvia Pack 36L Backpack

The main difference between the Gregory Mountain Mountain Nano 18 Backpack and the Patagonia Altvia Pack 36L Backpack is that the Mountain Nano 18 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 18 Everyday Outdoor Backpack Front View
Patagonia Altvia Pack 36L Backpack - Front View
Specs Brand Gregory Mountain Patagonia
Name Mountain Nano 18 Backpack Altvia Pack 36L Backpack
Category Backpacking Backpacking
Sub Category Hiking Hiking
Capacity (L) 18L 36L
Dimensions (in) 18.8 x 11.4 x 1.9 23.5 x 12 x 10.5
Weight (lb) 1.0 2.18
Fabric Nylon 100% recycled nylon
Color 4 colors and patterns Noble Grey
Warranty The Gregory Limited Lifetime Warranty
Release Date July 16, 2020
Rating 4.5
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 pockets 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
Hiking / Backpacking Features Back Panel Padded back panel Padded
Rain Cover Rain cover included; pack volume is 36 liters
Hydration Features Hydration Compatible Yes Yes

You're currently comparing the Mountain Nano 18 Backpack by Gregory Mountain against the Altvia Pack 36L Backpack by Patagonia.


Gregory Mountain 's Mountain Nano 18 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 Mountain Nano 18 Backpack has a capacity of 18L (liters), weighs 1.0 pounds and it's dimensions in inches are 18.8 x 11.4 x 1.9. It's made of Nylon and is available in 4 colors and patterns 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.