The Marmot NanoWave 35 Ultralight Synthetic Mummy Sleeping Bag is great for bicycle touring, hut to hut hiking, canoe trips or warmer weather backpacking or camping, when space is at a premium and you're looking to reduce weight. This comfortable and full feature bag is roomy, and stuffs into its own compression stuff sack. Lightweight, highly compressible bag, ideal for when space and weight are at a premium. SpiraFil high loft insulation. Feely draw cords. Snagless draft tube. Two way zipper sliders allow for venting. Blanket construction. Two hang loops. Zipper garage Shell is 50d 100% polyester 2.1 oz. Lining is 50d 100% polyester 1.3 oz. Compression stuff sack included.