These packs are the originally Swiss Army Rucksack. Reinforced with leather and metal stay for toughness. This backpack is extremely water-resistant rucksack. Made of rubberized nylon rucksack was designed to be comfortable, weatherproof and versatile. Leather shoulder straps and tie-downs. Extra large buckle-down rain flap and a heavy-leather reinforced bottom. Ergonomically contoured internal frame. Front pouch is 9 x 10 x 2. Measures: 19 x 15 x 8 inches. Excellent Swiss military craftsmanship.