A WET blanket is a term used to describe someone who dampens the enthusiasm of others. It is also a type of blanket made of waterproof material, usually used for camping or outdoor activities. A Navaho blanket is a type of woven blanket made by the Native American Navajo tribe. It is often brightly colored and decorated with traditional patterns. A THERMAL blanket is a type of blanket made of insulating material, designed to keep the user warm.