Surge BackpackThe Surge Backpack has all your favorite features but opens from the top with a concealed zipper the roll down component means you can compress this bag and save space. But the moment you need to throw in an extra sweater (or some beers) you'll have that extra room available at the top. This backpack also has a separate protective padded laptop compartment, adjustable straps, a front pocket and side pockets with rope tensioners.