Gregory Mountain Men's Optic 48 Ultralight Backpack vs Gregory Mountain Miwok 12 Liter Men's Daypack Backpack

The main difference between the Gregory Mountain Men's Optic 48 Ultralight Backpack and the Gregory Mountain Miwok 12 Liter Men's Daypack Backpack is that the Men's Optic 48 Ultralight Backpack has Loops and Attachments (Adjustable attachment loop and upper shock lock) while the Miwok 12 Liter Men's Daypack Backpack does not.

Gregory Mountain Products Men's Optic 48 Ultralight Backpack 1st Front View
Gregory Mountain Products Miwok 12 Liter Men's Daypack Backpack Front View
Specs Brand Gregory Mountain Gregory Mountain
Name Men's Optic 48 Ultralight Backpack Miwok 12 Liter Men's Daypack Backpack
Category Mens Mens
Sub Category Backpacking Backpacking
Capacity (L) 48L 12L
Dimensions (in) ‎26 x 14 x 4.5 ‎19.3 x 9.3 x 4.8
Weight (lb) 2.4 0.75
Fabric Nylon 100% Nylon
Color 2 colors and patterns 3 colors and patterns
Warranty The Gregory Limited Lifetime Warranty The Gregory Limited Lifetime Warranty
Release Date November 9, 2017 September 3, 2019
Rating 4.6 4.6
Price Under $250 Under $100
General Features Shoulder Straps Men's specific die-cut shoulder harness Men's specific die-cut shoulder harness
Sternum / Chest Straps Sternum strap Sternum and chest strap
Hip Belt / Waist Strap 3D comfort cradle hipbelt 3D comfort cradle hipbelt
Zippers ComfortGrip custom molded loop zipper pullers ComfortGrip custom molded loop zipper pullers
Main Compartment Access U-zip main opening or full body front access Normal zipped access
External Pockets 3 external pockets including weather shield hip belt pocket 5 external pockets
Side Pockets Side pockets can hold water bottle Side pockets can fit water bottle and other accessories
Water Bottle Yes Yes
Handles Top grab handle Top grab handle
Loops and Attachments Adjustable attachment loop and upper shock lock
Travel Features Compression Straps External compression straps
Rear Loading Straps Yes
Hiking / Backpacking Features Back Panel Ventilated back panel 3D foam breathable backpanel
Rain Cover Yes
Internal / External Frame Aluminum internal frame
Ventilated Back Yes
Adjustable Length Torso Yes
Hip Belt Pockets Yes Yes
Top / Floating Lid Yes
Trekking Pole Holders Yes
Hydration Features Hydration Compatible Yes Yes

You're currently comparing the Men's Optic 48 Ultralight Backpack by Gregory Mountain against the Miwok 12 Liter Men's Daypack Backpack by Gregory Mountain.


Gregory Mountain 's Men's Optic 48 Ultralight Backpack is a Mens backpack with Backpacking features while Gregory Mountain's Miwok 12 Liter Men's Daypack Backpack is a Mens backpack with Backpacking features.

The Gregory Mountain Men's Optic 48 Ultralight Backpack has a capacity of 48L (liters), weighs 2.4 pounds and it's dimensions in inches are ‎26 x 14 x 4.5. It's made of Nylon and is available in 2 colors and patterns in comparison the Gregory Mountain Miwok 12 Liter Men's Daypack Backpack's capacity is 12L with a size of ‎19.3 x 9.3 x 4.8 inches. Constructed from 100% Nylon it weighs 0.75 pounds and is available in 3 colors and patterns.