Space saving design, it maximizes storage without the bulk. In addition to contour shaped padding for ideal comfort, also includes multiple front and side pockets, expandable mesh pockets for separating wet and dry items, spring hooks for wet suits, a mesh water bottle pocket, adjustable straps and a protective storage space for large electronics. It's designed with fabric technology to ensure a lightweight feel and durable, water resistant construction. Available in 30 liter and 45 liter