A ThermoPalm is the perfect choice for the space-conscious world traveler who wants to pack light. These very roomy and comfortable styles will compress down to an extremely small and lightweight package. Insufil Thermo technology provides 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. Specifications: - Size: 83" x 30" x 20" - Shape: Mummy - Construction: Two layer - Outer Shell: Nylon taffeta - Lining: Pongee Classic - Filling: 12 oz. Insufil Thermo - Zipper: #5 YKK 2-way - Stuff Sack: 4-way compression bag - Total Weight: 1.8 lbs.