MISSION Enduracool Cooling Performance Hat Chemical-Free cooling; lightweight, UPF 50 protection against the harmful rays of the sun Cooling zones in the sweat band and front panels regulate the evaporation of moisture for a prolonged cooling effect Ultra-wicking fabric pulls sweat from the body and encourages quick drying Activate the technology by wetting the hat before wear; soak in water, wring out and wave in the air for instant cooling