TIMBUK2 Custom Alcatraz Laptop Backpack vs TIMBUK2 Parker Commuter Backpack

The main difference between the Timbuk2 Custom Alcatraz Laptop Backpack and the Timbuk2 Commuter Parker Backpack is that the Custom Alcatraz Laptop Backpack has Loops and Attachments (Vista loop for attaching blinky bike lights) while the Commuter Parker Backpack does not.

TIMBUK2 Custom Alcatraz Laptop Backpack - Front View
TIMBUK2 Commuter Backpack - Front View
Specs Brand Timbuk2 Timbuk2
Name Custom Alcatraz Laptop Backpack Commuter Parker Backpack
Category Laptop Commuter
Sub Category Work Everyday
Capacity (L) 18L 42L
Dimensions (in) 13 x 6 x 20.1 ‎11.81 x 5.51 x 20.47
Weight (lb) 2.2 4.9
Color Jet Black
Warranty Lifetime Warranty Lifetime Warranty
Release Date November 2, 2016
Rating 4.2
Price Under $150 Under $250
General Features Shoulder Straps J shape - adjustable padded strap J shape - adjustable padded strap
Sternum / Chest Straps Adjustable chest strap Adjustable chest strap
Hip Belt / Waist Strap Adjustable waist strap
Zippers Nylon zipper with metal pulls Nylon zipper with metal pulls
Main Compartment Access Normal top two way zip access Doubled roll top loading
External Pockets 2 front pocket, 2 side pockets 2 front zip pockets, 2 side pockets
Internal Compartments Internal organizer for pens, phones, and other small stuff Laptop sleeve
Side Pockets 2 side pockets 2 side pockets
Water Bottle Yes 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
Rain Cover Detachable rain cover

You're currently comparing the Custom Alcatraz Laptop Backpack by Timbuk2 against the Commuter Parker Backpack by Timbuk2.


Timbuk2's Custom Alcatraz Laptop Backpack is a Laptop backpack with Work features while Timbuk2's Commuter Parker Backpack is a Commuter backpack with Everyday 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 Timbuk2 Commuter Parker Backpack's capacity is 42L with a size of ‎11.81 x 5.51 x 20.47 inches. Constructed from it weighs 4.9 pounds and is available in Jet Black.