Overnight packs generally accommodate 25 to 50 liters of volume, so you can carry the essentials without excessive poundage. Designed for hiking and trekking, overnight packs incorporate many features geared towards athletic wearers, such as breathable padding and ventilation systems. They also tend to have stabilization and comfort features, such as chest and waist straps. Some have protective waterproofing to get you through tempestuous weather. Additional features, such as hydration tube routing and easy-access exterior pockets, skyrocket a bag's convenience. It is always worth looking into a top-quality overnight pack, because it can promote back health and make adventuring considerably more pleasurable. Stupendous pack brands include Osprey, Mountain Hardwear, Boreas, Arcteryx, Marmot, Black Diamond, Deuter, EXPED, Montane, Gregory and Mile High Mountaineering.