TUMI William Backpack vs TIMBUK2 Impulse Travel Backpack Duffel Backpack

The main difference between the TUMI William Backpack and the Timbuk2 Impulse Travel Backpack Duffel Backpack is that the William Backpack has USB Charger (Has built-in USB port) while the Impulse Travel Backpack Duffel Backpack does not.

TUMI William Backpack - Front View
TIMBUK2 Impulse Travel Backpack Duffel Backpack - Front View
Specs Brand TUMI Timbuk2
Name William Backpack Impulse Travel Backpack Duffel Backpack
Category Carry On Carry On
Sub Category Travel Travel
Capacity (L) 45L
Dimensions (in) 15.4 x 11.75 x 15.4
Weight (lb) 2.79 3.7
Fabric Nylon
Color Camo Jacquard Jet Black
Warranty Lifetime Warranty
Release Date July 9, 2019
Rating 3.3
Price Under $500 Under $200
General Features Shoulder Straps Straight - Leather-accented adjustable backpack straps Adjustable and tuckable backpack straps
Sternum / Chest Straps Adjustable chest strap
Hip Belt / Waist Strap Adjustable waist straps with mini pockets for small items
Zippers Metal zipper with leather pulls Nylon zipper with string pulls
Main Compartment Access Zip entry to main compartment Clamshell opening
External Pockets Zip entry to main compartment, zip entry to padded laptop compartment (fits up to a 15” PC or 16” MacBook screen), built-in USB port (power bank sold separately), back slip pocket with magnetic snap, leather carry handle, leather-accented adjustable backpack straps, add-a-Bag sleeve 1 side pocket
Internal Compartments Open pocket, 2 zip pockets, 2 card pockets, 2 pen loops, key leash, TUMI Tracer® Laptop sleeve
Side Pockets 1 side pocket
Handles Leather carry handle Top grab handle
USB Charger Has built-in USB port
Business & School Features Laptop Sleeve Padded; Fits up to 15" Padded; 17" laptop
Travel Features Carry-on Size Compliant Fits the airlines carry-on sizer and planes overhead bin Fits the airlines carry-on sizer and planes overhead bin
Compression Straps Internal compression straps
Luggage Straps / Trolley Sleeve Add-a-Bag sleeve
Hiking / Backpacking Features Back Panel Padded Padded

You're currently comparing the William Backpack by TUMI against the Impulse Travel Backpack Duffel Backpack by Timbuk2.


TUMI's William Backpack is a Carry On backpack with Travel features while Timbuk2's Impulse Travel Backpack Duffel Backpack is a Carry On backpack with Travel features.

The TUMI William Backpack has a capacity of (liters), weighs 2.79 pounds and it's dimensions in inches are 15.4 x 11.75 x 15.4. It's made of Nylon and is available in Camo Jacquard in comparison the Timbuk2 Impulse Travel Backpack Duffel Backpack's capacity is 45L with a size of inches. Constructed from it weighs 3.7 pounds and is available in Jet Black.