Patagonia mens Yerba Pack 24L 48030 24-liter capacity Strong and light recycled polyester with water-repellent finish Generous main compartment; zippered stash pocket on lid and large dump front pocket; padded laptop sleeve is raised off the ground to protect most 15" laptops Stretch-woven pockets accommodate a full range of water bottle shapes and sizes Air Flow mesh shoulder straps and back panel; adjustable sternum strap