The simplistic uncluttered style means it looks good wherever you are and always keeps you snug thermocooltm advansa thermoocooltm yarn is designed to optimise the bodys natural thermal capabilities through smart fiber cross sections duoregulationtm fiber technology helps you to stay warm when you feel cold and cool when you feel hot allied feather started in 1987 with a 12 000 square foot facility in vernon california allied feather down174 remains family owned and operated their