Calling all backpackers! the mammoth internal frame pack is ready for a multi-day adventure out in the backcountry or a single day outing. Crafted out of durable polyester/ripstop fabric and designed with your comfort in mind, this pack features adjustable sternum and waist straps, aluminum stays, padded shoulder straps, and a deluxe cool mesh padded back to keep you cool. With gear loops and compression straps, youre able to lash on a sleeping bag, tent, or other gear with ease. A top flap helps you easily stash away maps, snacks, and other items youll want handy. Hydration pack compatible (sold separately).