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Designed with refreshing performance advantages, the Under Armour Iso-Chill ArmourVent™ Stretch Cap keeps you cool under pressure or just under sun. This Under Armour hat dumps excess heat through special vents that allow hot air out wh
Designed with refreshing performance advantages, the Under Armour Iso-Chill ArmourVent™ Stretch Cap keeps you cool under pressure or just under sun. This Under Armour hat dumps excess heat through special vents that allow hot air out wh
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Small vents in the Under Armour Iso-Chill ArmourVent Adjustable Cap dump excess heat to keep you cool while still protecting from the sun. ArmourVent technology promotes superior breathability and comfort thanks toight, stretchy,