Not only does the Firehole Backpack have ample storage it's super comfortable to have on while on the water or the trail . A lightweight foam shoulder strap, hip belt, molded back panel and adjustable sternum strap disperse the load nicely. A stowable Hypalon wader/boot pouch with additional exterior attachment points means you can pack in waders and boots without taking up valuable space inside the pack. The Firehole Backpack has an interior sleeve and pass-through for a hydration reservoir, four way attachment points on either side of the pack accommodate Lariat Gear Straps ( not included ) exterior top and backside pockets and hip belt sash pockets. The hip belt is removable and integrated net slots and water bottle holders are on the side of the pack. The Firehole is compatible with the Thunderhead Chest Pack, Canyon Creek Chest Pack, Corss Current Chest Pand and Sagebrush Pro Mesh Vest.