Therm-a-Rest is an American company invented in the early 1970s. It was founded by Jim Lea and Neil Anderson and their friend mountaineer John Burroughs. The company is specialized in camping mattresses, sleeping bags, camp chairs, hammocks, cots and pillows. They began producing mattresses Therm-a-Rest - first self-inflating mattresses in the world! And they are still one of the most famous manufacturer of self-inflating and inflating mattresses and other outdoor products. More about Therm-a-Rest