Get ready for your next camping adventure with SOULOUT's Envelope Sleeping Bag. This single size sleeping bag is designed to keep you warm in temperatures ranging from 32-77 Fahrenheit degrees, making it perfect for all four seasons. The lightweight and portable design makes it easy to carry with you wherever you go. The dark grey color of the polyester shell material gives it a sleek and modern look, while the polyester lining material provides a comfortable sleeping experience. The fill material is made of polyester to ensure that it is both durable and long-lasting. The sleeping bag also features a variety of useful aspects such as a temperature rating, 4-season capability, and a size of 86.6 inches in length and 33 inches in width. Don't let its lightweight and portable design fool you, this sleeping bag is built to withstand the elements and keep you comfortable throughout the night.