The Travel Sling from Aer is a stylish, well made daily sling that fits up to a 13″ laptop.
Other Bags to Check Out:
The Classic Backpack Plus from Bellroy has a clean aesthetic, lots of organization and some excellent build and materials... well suited to be your everyday carry for work.
A perfectly sized bag for tight daily carry packed up in a very modern, functional package.
The Setout Laptop Backpack from Tortuga is an excellent bag for minimal travel AND daily carry.
An extremely solid, minimal daily carry with enough tactical connections for you to customize however you want.
An utterly functional daypack in a tight little package with some modern metro styling.