When traveling light is not an option the Rocket Pak’s bigger brother has all the same features but the main compartment is a mighty 70 /liters 4270 cu.in. on its own, giving a total volume when used in conjunction with the supplied Rocket Pak side pouches of 100 liters / 6100 cu.in. Fully compatible with the Snugpak Rocket Pak side pouches and yoke system. Dimensions: 32 x 28 Weight: 88 oz Volume: 6100 cu. in.