The 48Hr Switch allows you to switch between work, play and travel by putting a backpack, messenger-bag, and briefcase all in one.
North Face - ACCESS PACK - $235 The video is pretty impressive, looks like a ton of thought went into the development in order to make this versatile but also tailored to the needs of modern tech.
Genuine Leather Hard Briefcase / Vintage Luggage / Brown Leather / Brass Numeric Lock
Vintage American Tourister Briefcase hard shell by TheWhitePelican
The Hazel Briefcase by Ortus
This isn't me or my recipe. My aunt links a bunch of these on Facebook and this one made me actually want to try and make this.