The Mountain Hardwear SummitRocket 20 VestPack is a summit pack for speedy ascents to the top. The 20 liter pack is constructed with 100D HT ripstop dobby nylon that is durable and strong yet only weighs in at 12 ounces. Load it up from the top with extra layers, snacks and whatever else you might need while your ice axes and extra gear can be strapped to the outside. The shoulder harness Features a vest style that pulls the pack in closer to the body with Dual sternum straps to stabilize the load. Small Items can be placed into the four pockets on the harness for quick access without having to remove the pack. Features of the Mountain Hardwear SummitRocket 20 VestPack Fit and comfort of a vest combined with the volume and function of a summit pack Comfortable, low profile, wide, lightly padded shoulder straps distribute weight effectively and shed Snow and ice Remarkably stable load control with OTF (On- The-Fly) compression system is easily activated while wearing the pack Four easy access pockets of varying sizes on shoulder straps keep necessary Items in reach Convenient zip top access main compartment Versatile compression system secures Climbing gear and overloads, but can be removed to reduce weight Easy tool and gear carrying setup: Dual ice axe Cradles and mini daisy chains