Features of the Sierra Designs Frontcountry Bed Queen 20 Degree Sleeping Bag Patent-pending zipperless design provides an ultra-comfortable bag Oversized integrated comforter gives all the comforts of your bed at home Full-length, insulated hand/arm pockets help to seal out drafts and seal in warmth Patented self-sealing foot vent provides fast and easy ventilation Sleeping pad sleeve keeps pad under you for comfort and warmth