Zoot Sports Women's Ultra IceFil Cap &nbsp; polyester Body: 100% polyester ULTRAcell AC with Icefil. Inset: 85% Coolmax polyester mesh/15% Coolmax Terry Cloth Machine wash cold, Gentle cycle, No softeners, Dry Flat, Do not bleach, Do not dryclean CN Machine wash cold, Gentle cycle, No softeners, Dry Flat, Do not bleach, Do not dryclean CN