The Tropic Traveler Silk is a lightweight, compact summer sleeping bag that impresses with high-quality materials, breathability, and moisture resistance, making it an ideal companion in temperate to tropical humid climates. It can be used as a single sleeping bag or as a blanket. When paired with other rectangular COCOON models, it transforms into a travel bed for two. Features include a 2-way No. 5 YKK zipper, a zipper cover flap, and a compression stuff sack.