The Lucky Bums Muir Sleeping Bag is perfect 40Ã¯Â¾Â°F (5Ã¯Â¾Â°C) rated envelope style sleeping bag for kids to stay comfortable during cool nights under the stars, backyard camp outs, and indoors sleepovers. With careful design and construction worthy of an adult bag, the Muir Sleeping Bag from Lucky Bums offers kids comfort and warmth for indoor and outdoor overnight adventures. Rated for 40 degrees Fahrenheit, the Muir Sleeping Bag boasts a coated polyester outer shell, comfortable and kid-friendly 100% cotton lining, and soft 200G 3D Hollow Fiber filling. The bag has a full-length zipper on the right side with a Velcro strap to secure the top, an internal drawstring in the bag, and an ergonomic hood with a drawstring to keep little ears and heads warm on cold nights. Packing down to 12 by 8 inches in the included stuff sack and weighing just 2 pounds, the Muir is easy to carry. Measuring 50x10x10 inches overall and backed by a limited lifetime warranty against material or workmanship defects; the Muir is the perfect bag for your next adventure. When you receive a Lucky Bums product, if you are not 100% satisfied with your purchase, let us know. We are here for our customers and will respond promptly and professionally in order to fix any problems the product may have, if you received a faulty item, we will replace it immediately. Lucky Bums is a family business created by a love of the outdoors, when you purchase a product by us, you become family too.