Rick Nelson wrote an answer about Therm-a-Rest Compressible Pillow on February 12, 2013
It is amazingly soft. I use a small and a large depending on what I'm doing. They do roll up tight, but when unpacking fluff them up and wait 10 to 15 minutes. All the comforts of home, seriously! Do not store these pillows rolled up or they will take forever to fluff up!