The Especial Cuatro Backpack just got did-up, with a new, intuitive diamond shaped front flap for sleek, versatile style. This pack is legit. Ever thought about carrying a bike while riding a bike? The secondary strap on this pro-level cycling laptop backpack can do all that and more, with room to spare. And while your testing the limits of your pack mule capabilities, your bag's ventilated flexible back cooling panel will keep you from getting overheated. Now that's teamwork.