TIMBUK2 Custom Alcatraz Laptop Backpack vs TIMBUK2 Project Backpack

The main difference between the Timbuk2 Custom Alcatraz Laptop Backpack and the Timbuk2 Project Backpack is that the Custom Alcatraz Laptop Backpack has Sternum / Chest Straps (Adjustable chest strap) while the Project Backpack does not.

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


Timbuk2's Custom Alcatraz Laptop Backpack is a Laptop backpack with Work features while Timbuk2's Project Backpack is a Laptop backpack with Travel 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 Project Backpack's capacity is 21L with a size of 11.42 x 4.72 x 18.5 inches. Constructed from Water-repellent waxed canvas and trimmed in premium leather it weighs 2.5 pounds and is available in Scout.