The Backcountry Series packs are comfortable and agile. They feature a perfect blend of suspension, structure, and weight conscious materials. Whether going on a multi day backpacking trip or trekking through Thailand, these packs will accommodate any expedition.Simple and comfortable, this 2012 Backpacker Editors' Choice award winning pack is perfect for multi day treks in the backcountry. Add in hydration or take off the top lid. Either way, their molded EVA Z foam backpanel and padded hipbelt are sure to maintain suspension under load.