Adds up to 8.4 °F degrees to a sleeping bagWide top opening for easy entry and exit, ensuring hassle-free use and convenience. Contoured foot end designed to perfectly match the shape of your sleeping bag, ensuring maximum comfort and insulation. Double-stitched throughout for exceptional durability, ensuring your sleeping bag liner withstands the rigors of outdoor adventures. Includes a compact and lightweight stuff sack for convenient storage and portability. Equipped with a drawstring hood to effectively seal out the elements, providing added protection and warmth during chilly nights. Enhanced with Insect Shield® treatment for reliable protection against mosquitoes, ticks, and other insects, ensuring peace of mind and a restful sleep without the annoyance of bites or buzzing interruptions during your travels. .responsive-video-container video { max-width: 100%; height: auto; display: block; }