Made of a dusky waxed cotton, this handy medium-sized bag will fit a 13″ laptop, features two side pockets that accommodate water bottles, two interior pockets, a zip pocket, and a back slash pocket. The leather trim adds a touch of class and the nylon lining makes it easy to clean. It’s also got a removable strap that allows you to carry it like a briefcase. Available now through J. Crew.