Teton Scout 45 Liter Backpacking Pack - The best backpack makes all the difference. At a surprisingly great price, Teton’s Scout Backpacks are ideal for explorers looking for comfort in the great outdoors. The popular 3/4 frame pack has been updated with sought-after colors and new features, raising its fit and finish to an even higher level. The 65L high-quality pack is excellent for smaller frames and young teens.