Perfect for when space and weight are limited, the Marmot NanoWave 45°F Sleeping Bag is lightweight, highly compressible, and exceptionally comfortable. It’s EN-rated at 56.1°F for comfort, 49.6°F for lower limit, and 27.1°F for extreme, so this mummy-shaped bag is ideal for summer season use. Synthetic SpiraFil high loft insulation helps you stay warm even when it’s wet. Furthermore, the 2.2 oz./yd, 100% Polyester Taffeta shell is treated with a Durable Water Repellent (DWR) coating to shed moisture. The 1.3 oz./yd., 100% Polyester liner offers a more cool, comfortable feel to the inside. Blanket construction to prevent cold spots. Feely draw cords for easy opening adjustments. Full-length zipper with two-way zipper sliders, snagless draft tube to prevent fabric from catching in the zipper, and a zipper garage. Two hang loops. Compression stuff sack included. Imported.