The Thermo Palm is the perfect choice for the space-conscious world traveler who wants to pack light. It compress down to an extremely small and lightweight package. It has a temperature rating of 50DegreeF (10DegreeC) and its filled with 6.3 ounce (180 g) in one layer of Insufil Thermo insulation, providing high loft and exceptional warmth making bags soft, lightweight and compact. The Insufil fibers are bonded using a special heating process that produces insulation that does not clump and fibers that do not separate during use. The outer shell is nylon taffeta and the lining is pongee classic fabric. It has a #5 YKK 2-way zipper that unzips fully and converts the bag into a blanket. It measures 78-Inch x 32-Inch (198 x 81 cm) and has an overall weight of 1.8 pound (0.81 kg). The 4-way compression stuff sack packs to a size of 10-Inch x 6.5-Inch (25 x 17 cm) uncompressed. This high-quality, durable bag will offer a long lifespan and is backed by a limited lifetime warranty.