When your travels take you to places with unpredictable weather, be prepared with this ultra-light TravelSheet - THERMOLITE Performer. This fabric is designed to trap heat and dry quickly, keeping you warm and comfortable even when wet. At only 10 ounces, this sheet packs easily into your carry-on so you're never caught off guard by a cold night.THERMOLITE Silkweight combines the advantages of ripstop silk (30%) and THERMOLITE EcoMade(70%) in a unique new ripstop fabric developed by COCOON. It is even more lightweight and fast drying than pure THERMOLITE EcoMade.