Advantage: For regions where it is very warm, this is a really good solution, because very easy and comfortable to the touch. I had ordered a microfiber sleeping bag for comparison, which was ok, but the silk was again much improving ways on the skin - lighter, does not stick to so. Only the cozy feel of a sleeping bag or a blanket I miss something, the silk is just a hint of anything, but in warm climates makes something else just does not make sense ...