Water resistance and room for a hydration bladder make this backpack great for hikes, while its ability to attach to other Osprey bags readies you for trips. Two-way top-zip closure Top carry handle; adjustable backpack straps Exterior top zip pocket; side mesh water bottle pockets; harness grab handle doubles as a luggage pass-thru Interior padded compartment fits most 13" laptops or a hydration bladder Water-resistant Recycled polyester