RecoFit Armcoolers Sun-Protection Arm Sleeve with Cooling Properties 91% Polyester/ 9% Spandex Imported 91% polyester, 9% spandex 91% polyester, 9% spandex|Icefil fabric dissipates heat by using Xylitol cooling technology to cool the surface of the skin by up to 5 degrees F.|NULL|Hand wash cold, dry flat. Do not dry clean.|