The windchill can penetrate most hammocks from beneath, making for a very cold night. Here's the perfect remedy...the SnugpakA(R) Hammock Under Blanket. Featuring Travelsoft filling that traps heat, the Snugpak Hammock Blanket beats the chill to keep you warm and comfortable while sleeping under the stars. Plus, Micro Diamond fabric with Paratex antibacterial treatment discourages the growth of bacteria, reducing odors. Fits most hammocks Travelsoft filling traps heat, maximizing comfort Made with Micro Diamond fabric with Paratex antibacterial treatment Comes with compression stuff sack