This Notre Dame Fighting Irish adjustable hat by Under Armour delivers comfort, innovation and style. It features optimal breathability and moisture control thanks to the AirVent, Iso-Chill and Coolswitch technology. A timeless design with an unmistakable Notre Dame Fighting Irish logo leaves no doubt about your fandom. Officially licensed Curved bill CoolSwitch uses an exclusive coating on the inside that pulls heat away from your skin, making you actually feel cool and able to perform longer Low Crown Adjustable hook and loop fastener strap Material: 100% Polyester Unstructured relaxed fit Brand: Under Armour One size fits most Embroidered rubberized graphics Wipe clean with a damp cloth Imported AirVent technology delivers true breathability in a stretchy, durable, fast-drying fabric Iso-Chill fabric helps disperse body heat, making it feel cool to the touch Contrasting color undervisor