Kelty Beam 82 Backpack Top-loading backcountry pack with comfortable Aero Beam suspension system 4-way ventilation design helps you haul monster loads without overheating 2-layer, padded, breathable waist belt and 3-layer padded shoulder straps Sleeping bag compartment and large stretch front pocket; hydration compatible 5,000 cubic inches of storage; measures 16 by 40 by 13 inches (W x H x D)