The Under Armour Iso-chill Armourvent Adj cap offers a classic low-profile baseball cap design with a structured front panel that maintains contact with your head. It features ArmourVent® Technology for ultimate breathability, crafted from a light, stretchy, durable, and fast-drying fabric. The Iso-Chill sweatband helps disperse body heat, providing a cool-to-the-touch sensation. This cap includes an adjustable strap closure for a customizable fit. Style #: 1383440. Made with 100% Polyester and imported. It boasts a UA Classic Fit with a pre-curved visor and structured front panels that maintain their shape with a low profile fit. Ideal for running.