Yosemite 70 + 10 Internal Frame Backpack Expedition-Quality 70+10 Liter Internal Frame Backpack Many compartments, easy access, adjustable frame, lumbar support breathable material, heavy-duty bottom, detachable fannie pack, compression straps, duraflex buckles, sold side pockets, long waist belt hydration pack ready, emergency rain poncho, only 5.4 pounds !