A great choice for your next weekend in the wilderness, the Gregory Zulu 55 Pack has the comfort, convenience, and technology you need. Light as a feather and oh so breathable, the Zulu 55 Backpack holds enough for an entire weekend. If it doesn't fit inside, there's a special strap or hook for it, like the easy to get to sunglasses strap or the water bottle carrier that has a built-in safety whistle. Clean with gentle soap and a cloth after each trip to keep your pack in great shape.