Rogue Laptop Backpack - 15" Black. With a smart, slim profile, the Timbuk2 Rogue backpack is meant for every fashion-forward traveler. It has a water resistant tarpaulin exterior to safeguard your belongings during a heavy downpour. This laptop backpack, designed to fit 15 inch MacBooks, has a ventilated back panel to offer utmost comfort. It is equipped with a custom-fit strap and a removable sternum strap for convenient portability. You can also attach a U-lock, carabineer or any other accessory using the daisy-chain webbing on this water resistant backpack.