Osprey Ozone Boarding bag 20

The Ozone Boarding Bag 20 is a cabin-sized shoulder bag designed to be light and airy, offering solid protection with a refined appearance. With a 16" laptop compartment, padded electronics pouch, and a concealed welt pocket for money, it offers everything you need for the perfect trip packed into a slim silhouette. Plus, Travel Sentry's TSID luggage tag will help you track down your valuables if you get separated en route.

Everything you need, and nothing superfluous, in the lightest possible solution.