If you love functional bags like I do, you might want to check out Mission Workshop's brand-new line of Transit Series bags. There are currently two in this collection, a 19L laptop bag and a 31L duffel bag. Both made with exceptional materials and outstanding quality. Like everything Mission Workshop makes, these bags are weatherproof as well so they will last in any weather conditions and keep its contents dry, stable, and protected.
Both bags have multiple carry options incorporated into the bag and will undoubtedly make you look totally rad carrying it around on your daily commute. Check out more info here.