If only Otzi, the famous frozen mummy, had access 4,000 years ago to the Big Agnes Boot Jack 25 Sleeping Bag - Long; he might have stayed toastier when the winter storm arrived. This particular Big Agnes model has traditional mummy bag design without an integrated pad sleeve. This lightweight bag efficiently distributes warmth and features a comfortable and contoured cinchable cord-lock hood, water-repellent fabric on the outer material, and exterior loops that allow you to air dry and store it. So, feel free to hibernate peacefully in your tent, your cave, or wherever your adventures take you with the Boot Jack 25.