The TETON Sports Scout 3400 is a large, 55L capacity backpack designed for hiking and camping. It features an internal frame made of aluminum and is constructed with nylon and canvas materials. The backpack is black and orange in color and has adjustable straps, external pockets, and a waterproof design. It also includes a hip belt, harness, and is padded and insulated for comfort. The TETON Sports Scout 3400 is perfect for summer hiking and is suitable for both men and women.