TIMBUK2 Custom Alcatraz Laptop Backpack vs TIMBUK2 Never Check Expandable Backpack

The main difference between the Timbuk2 Custom Alcatraz Laptop Backpack and the Timbuk2 Never Check Expandable Backpack is that the Custom Alcatraz Laptop Backpack has Loops and Attachments (Vista loop for attaching blinky bike lights) while the Never Check Expandable Backpack does not.

TIMBUK2 Custom Alcatraz Laptop Backpack - Front View
TIMBUK2 Never Check Expandable Backpack - Front View
Specs Brand Timbuk2 Timbuk2
Name Custom Alcatraz Laptop Backpack Never Check Expandable Backpack
Category Laptop Laptop
Sub Category Work Travel
Capacity (L) 18L 24.50L
Dimensions (in) 13 x 6 x 20.1 11.42 x 11.42 x 14.17
Weight (lb) 2.2 2.64
Color Jet Black
Warranty Lifetime Warranty Lifetime Warranty
Rating 4.6
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
Zippers Nylon zipper with metal pulls Weatherproof 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 front zip pocket, 1 side pocket
Internal Compartments Internal organizer for pens, phones, and other small stuff Laptop sleeve, mesh pocket
Side Pockets 2 side pockets 1 side pocket
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
Tablet Sleeve Padded Padded; 9.7" iPad
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 Never Check Expandable Backpack by Timbuk2.


Timbuk2's Custom Alcatraz Laptop Backpack is a Laptop backpack with Work features while Timbuk2's Never Check Expandable 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 Never Check Expandable Backpack's capacity is 24.50L with a size of 11.42 x 11.42 x 14.17 inches. Constructed from it weighs 2.64 pounds and is available in Jet Black.