Now available at the Prometheus Design Werx is the All Terrain Pack 24L...  "All Terrain Pack 24L is rated to IPX7, features a robust, Delrin tooth, waterproof main zipper to access the main compartment and to keep your load out dry. An additional external zippered pocket keeps those smaller items quick and easy to access. Constructed of 1000D RPET (eco-friendly recycled polyester fibers) with fully welded seams. Rain or shine, land or sea, this pack is truly all terrain and ideally suited for amphibious adventures, overlanding in any weather, rainy day hikes or rides, life in the PNW, packrafting, fly fishing, scuba, canyoneering to island hopping and more. Available in Universal Field Gray."