A warm, water-repellent synthetic bag, with unique Lamina construction for ultimate warmth. The Lamina Z Blaze Long Sleeping Bag is made with Thermal.Q insulation which is both compressible and durable. Welded Lamina construction enhances loft and eliminates cold spots. Soft polyester lining wicks away moisture and lightweight nylon shell repels water. Full-length durable #8 zipper has double sliders for ventilation.