[Material] Outer material: 320T nylon tear-resistant, waterproof and breathable fabric; lining material: 290T sponge fleece, comfortable and skin-friendly; filling material: down. Lightweight and compact design, easy to carry, suitable for any outdoor adventure and its ability to withstand extreme weather conditions-undoubtedly the best sleeping bag for adventure. [Feel the difference] The super comfortable sleeping bag is designed to ensure a good and relaxing night’s sleep after a hard day of trekking, hiking, traveling or any other exploration. [Versatility] You can use our warm-weather sleeping bag in a variety of weather conditions without using sleeping bag lining. It is an ideal sleeping bag for outdoor camping and can also be used as a camping quilt. 100% satisfaction guarantee: We stand behind the great craftsmanship of outdoor camping equipment and do our best to provide the best customer experience. If there is any problem, we will respond to your concerns within 24 hours.