Perfect for mild nights under the stars, the Cosmic 40 550 Down Sleeping Bag combines a snug mummy shape with lightweight performance. The trapezoidal baffle construction enhances thermal efficiency by keeping the 550-fill down insulation evenly spread, while the expanded natural-fit footbox adds comfort for your feet. Fully recycled shell and liner fabrics with a PFAS-free DWR finish provide eco-friendly durability, and thoughtful features like a full draft tube, dual locking zippers, and a zippered stash pocket enhance convenience.

At just 0.74kg, the Cosmic 40 is a lightweight and packable choice for warm-weather adventures, keeping you warm in temperatures up to 4°C.