All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. Those long training sessions under the sun are going to be pleasant and comfortable as you shield yourself with the Under Armour® Iso-Chill Launch Adjustable Hat. Designed in an ultra-light, durable, and breathable stretch woven fabric, the hat features an Iso-Chill sweatband that disperses body heat to keep your head cool. It is structured in a sleek, low profile fit with a pre-curved visor and a contrasting logo on the front. Laser perforations for added ventilation. Adjustable hook-and-loop closure on the back. 100% polyester. Hand wash. Imported. View Zappos.com Glossary of Terms Under Armour Iso-Chill Launch Adjustable Hat