Naturehike 3 Season Lightweight Mummy Sleeping Bag With Compression Sack Waterproof Breathable Comfortable Perfect for Summer Traveling Camping Backpacking Hiking Outdoor Activities (Orange) nylon Waterproof, Windproof, Lightweight, Breathable, Comfortable Convenient Wrap "N" Roll integrated packing system makes storage a cinch (compression Stuff Sack) 320D nylon with fill silk-like cotton 150g/m2,Temperature range (Limit temperature): 0-16 Celsius / 32-60 Fahrenheit, 8 Celsius / 46 Fahrenheit is comfortable Fabric: nylon , Filling: cotton .Waterproof ,comfortable and keep warming. Drawstring Hood and Draft Tube for Additional Protection Against the Elements Unique seamless dual-zipper design, keeps heat in, insulation in place, and comfort a priority