Montbell's Alpine pack offers exceptional water resistance along with swift and effortless access to pack contents through the Roll-Up Closure System and Aqua Barrier Sack. This 80L pack is crafted from premium nylon ripstop and incorporates a multitude of features, delivering outstanding performance at a lightweight for multi-night backpacking trips and extended expeditions. The top lid conveniently transforms into a waist bag for added versatility.