Outlast technology is the leading manufacturer of enhanced temperature-regulating home textile products. The technology was originally developed for NASA to protect astronauts from temperature fluctuations in space. Outlast technology textiles are made of special phase change materials (PCM) that absorb, store and release excess heat, specific to each individual needs. The proactive temperature regulation provides for optimal thermal comfort in everyday life. HPFY Stores bring you best selection of temperature regulating pillows, bed sheets, mattress pads and other home textile products by Outlast Technology. Sleep relaxed, better and longer!