TIMBUK2 Custom Alcatraz Laptop Backpack vs Mystery Ranch Urban Assault 21 Backpack

The main difference between the Timbuk2 Custom Alcatraz Laptop Backpack and the Mystery Ranch Urban Assault 21 Backpack is that the Custom Alcatraz Laptop Backpack has Side Pockets (2 side pockets) while the Urban Assault 21 Backpack does not.

TIMBUK2 Custom Alcatraz Laptop Backpack - Front View
Mystery Ranch Urban Assault 21 Backpack - Front View
Specs Brand Timbuk2 Mystery Ranch
Name Custom Alcatraz Laptop Backpack Urban Assault 21 Backpack
Category Laptop Laptop
Sub Category Work Work
Capacity (L) 18L 21L
Dimensions (in) 13 x 6 x 20.1 20.25 x 10 x 8.75
Weight (lb) 2.2 2.1
Fabric 500D CORDURA® fabric
Color Dpm Camo
Warranty Lifetime Warranty
Release Date June 7, 2019
Rating 4.7
Price Under $150 Under $150
General Features Shoulder Straps J shape - adjustable padded strap Straight - adjustable padded strap
Sternum / Chest Straps Adjustable chest strap Adjustable chest strap
Zippers Nylon zipper with metal pulls YKK® zippers
Main Compartment Access Normal top two way zip access Normal top two way zip access
External Pockets 2 front pocket, 2 side pockets 1 + main compartment
Internal Compartments Internal organizer for pens, phones, and other small stuff Two internal zippered accessory pockets,
Side Pockets 2 side pockets
Water Bottle Yes
Handles Top grab handle Top grab handle
Loops and Attachments Vista loop for attaching blinky bike lights
Business & School Features Laptop Sleeve Padded; 17" MacBook Pro Padded; 15" laptop
Tablet Sleeve Padded
Hiking / Backpacking Features Back Panel Channeled air mesh ventilated back panel Padded

You're currently comparing the Custom Alcatraz Laptop Backpack by Timbuk2 against the Urban Assault 21 Backpack by Mystery Ranch .


Timbuk2's Custom Alcatraz Laptop Backpack is a Laptop backpack with Work features while Mystery Ranch 's Urban Assault 21 Backpack is a Laptop backpack with Work features.

The Timbuk2 Custom Alcatraz Laptop Backpack has a capacity of 18L (liters), weighs 2.2 pounds and it's dimensions in inches are 13 x 6 x 20.1 . It's made of and is available in in comparison the Mystery Ranch Urban Assault 21 Backpack's capacity is 21L with a size of 20.25 x 10 x 8.75 inches. Constructed from 500D CORDURA® fabric it weighs 2.1 pounds and is available in Dpm Camo.