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

The main difference between the Patagonia Altvia Pack 36L Backpack and the Gregory Mountain Nano 20 Backpack is that the Altvia Pack 36L Backpack has Zippers (Nylon zipper with metal pulls) while the Nano 20 Backpack does not.

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

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


Patagonia's Altvia Pack 36L Backpack is a Backpacking backpack with Hiking features while Gregory Mountain 's Nano 20 Backpack is a Backpacking backpack with Hiking features.

The Patagonia Altvia Pack 36L Backpack has a capacity of 36L (liters), weighs 2.18 pounds and it's dimensions in inches are 23.5 x 12 x 10.5. It's made of 100% recycled nylon and is available in Noble Grey in comparison the Gregory Mountain Nano 20 Backpack's capacity is 20L with a size of 19.2 x 1.7 x 1 inches. Constructed from Nylon it weighs 1.5 pounds and is available in Obsidian Black.