This U.S. Military Medium Rucksack is the halfway point in size between the daily-carry Assault Pack and the enormous everything-but-the-kitchen-sink Main Pack. The perfect size for a weekend backpacking trip. And, thanks to the molded polymer frame, your back will thank you every step of the way. Packed with extra pockets for reaching tools and other essential equipment without a lot of digging. And multiple pass-through ports let you run a hydration tube, some wired headphones, or both at the same time. Designed to U.S. military specs, intended to go the distance through some of the harshest terrain in the world. Water-resistant 900-denier CORDURAA(R) rip-stop nylon Top carry handle for quick grab-n-go action Padded shoulders and waist belt Molded polymer frame supports up to 60 lbs. 2 large external zip pockets on the front, with more pockets inside Large internal hydration pocket (no bladder included) Main compartment with harness assembly for Advanced System Improvement Program (ASIP) Radio 2 internal pockets sized for 60mm mortar rounds 2 side release attachment straps for adding more equipment to outside 3 hook-and-loop ports for routing hydration tubes, antenna wires and more MOLLE webbing for securing more gear Sustainment pouches on sides