Keep a cool head on warmer days outdoors with the Under Armour Thermocline ArmourVent Cap. Lightweight 100% polyester ArmourVent mesh fabric keeps air circulating so you don't get overheated. UA CoolSwitch technology uses an exclusive coating on the inside that pulls heat away from your skin, making you actually feel cool and able to perform longer. Stretchfit construction provides a customized, comfortable fit. A "UA" fish hooks logo at the center front lends unmistakable Under Armour styling. Imported.