TIMBUK2 Project Backpack vs TIMBUK2 Custom Alcatraz Laptop Backpack

The main difference between the Timbuk2 Project Backpack and the Timbuk2 Custom Alcatraz Laptop Backpack is that the Project Backpack has Water Proof / Water Resistant (Water-repellent) while the Custom Alcatraz Laptop Backpack does not.

TIMBUK2 Project Backpack - Front View
TIMBUK2 Custom Alcatraz Laptop Backpack - Front View
Specs Brand Timbuk2 Timbuk2
Name Project Backpack Custom Alcatraz Laptop Backpack
Category Laptop Laptop
Sub Category Travel Work
Capacity (L) 21L 18L
Dimensions (in) 11.42 x 4.72 x 18.5 13 x 6 x 20.1
Weight (lb) 2.5 2.2
Fabric Water-repellent waxed canvas and trimmed in premium leather
Color Scout
Warranty Lifetime Warranty Lifetime Warranty
Price Under $250 Under $150
General Features Shoulder Straps Straight - adjustable padded strap J shape - adjustable padded strap
Sternum / Chest Straps Adjustable chest strap
Water Proof / Water Resistant Water-repellent
Zippers Metal zipper with metal pulls Nylon zipper with metal pulls
Main Compartment Access Normal top two way zip access Normal top two way zip access
External Pockets Laptop pocket fits, expandable zippered side pocket, 1 front pocket 2 front pocket, 2 side pockets
Internal Compartments Internal organizer for pens, phones, and other small stuff
Side Pockets 1 side pocket 2 side pockets
Water Bottle Yes
Handles Top grab handle Top grab handle
Loops and Attachments Beer tiki bottle opener on front shoulder strap Vista loop for attaching blinky bike lights
Business & School Features Laptop Sleeve Padded; 15" laptop Padded; 17" MacBook Pro
Tablet Sleeve Padded
Travel Features Luggage Straps / Trolley Sleeve Luggage pass-through
Hiking / Backpacking Features Back Panel Padded Channeled air mesh ventilated back panel

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


Timbuk2's Project Backpack is a Laptop backpack with Travel features while Timbuk2's Custom Alcatraz Laptop Backpack is a Laptop backpack with Work features.

The Timbuk2 Project Backpack has a capacity of 21L (liters), weighs 2.5 pounds and it's dimensions in inches are 11.42 x 4.72 x 18.5. It's made of Water-repellent waxed canvas and trimmed in premium leather and is available in Scout in comparison the Timbuk2 Custom Alcatraz Laptop Backpack's capacity is 18L with a size of 13 x 6 x 20.1 inches. Constructed from it weighs 2.2 pounds and is available in .