The versatile Eureka Wolf Jaw 40L incorporates features to enhance day hikes, travel, and overnight trips. Staying organized is easy with the many sizes and types of pockets on this panel loading pack. The Wolf Jaw features a ventilated back panel that is padded with 3D pacer mesh and a hip belt that is padded as well. If you are caught in a storm the integrated rain cover will keep your gear dry and you can organize you gear with the gusseted water bottle pockets that hold 1L bottles, side tuck-away pockets that expand to hold bottles or gear and a large capacity stash pocket with SRB security closure.