The North Face Rolling Thunder 22"

Stronger and smarter, the updated Rolling Thunder-22" will be the toughest luggage in the overhead bin. This carry-on-sized bag easily hauls your weekend gear wherever adventure leads.

[@Joetrout]

What is the strap that it come with for? It was inside the top smaller pocket

[@TristanGoingNorth]

Sounds like a cinch strap for your items inside.

[@remgu2000]

It's to attach to the loop by the handle to tether another bag to it