In 1971 three former Boeing engineers from Seattle were unhappy that there was no comfortable outdoor sleeping mat on the market. They set out to try to tap into the outdoor market by creating the world's first self inflating mattress by combining foam between two pieces of air tight fabric. From this, Thermarest was born and with it the worlds first self inflating mattress.
Since then Thermarest has evolved by reducing weight and increasing warmth and comfort. The Thermarest range has increased with models such as the Trail Lite, Prolite, and Neoair have all been incredibly successful.