The Under Armour ArmourVent Stretch Cap for Men is perfect for sports, training, or workouts, with a custom fit and super-lightweight construction that'll keep you cool without weighing you down. This Under Armour stretch-fit cap is made of AmourVent technology to be breathable, durable, and fast-drying. A built-in Iso-Chill sweatband and front panel lining disperses heat away from your head to keep you cool and dry all day long. 54% nylon/31% polyester/15% elastane. Imported.Manufacturer style #: 1361530. 54% nylon/31% polyester/15% elastane Stretch fit cap for active lifestyles Built-in Iso-Chill sweatband keeps you cool AmourVent is breathable, lightweight, and fast-drying Pre-curved brim