It's hard to beat the comfort of silk, at home or on the road, especially in less than desirable locations. With the Silk Sleep Sack you can have protection from dirt and bugs and also a little piece of luxury. All too often hotel rooms, airplane seats and sleeping bags are filthy, and cleaning them is not an option. Many choose to use their Silk Sleep Sack inside of their sleeping bag for added warmth and to help keep clean. The Silk Sleep Sack is also a great warm weather alternative to a blanket.