A women’s synthetic bag with increased insulation and unique Lamina™ construction for ultimate warmth 20 F/-7 C. A warm synthetic bag with Thermal.Q® insulation is both compressible and durable. Welded Lamina construction enhances loft and eliminates cold spots. Increased insulation sets temperature rating to T-Comfort for a warmer women’s bag. Soft polyester lining wicks away moisture and lightweight nylon shell repels water. Full-length durable #8 zipper has double sliders for ventilation.