We took your go-to training hat—the one that keeps off the sun, wicks sweat, and dries fast—and added a soft, stretchy, hair-tie-like closure in the back. Super-soft, smooth knit fabric for all day comfort UA Siro sweatband gives greater stretch & recovery, an ultra-soft feel & more breathable performance Stretchy elastic band back closure with wordmark detail Style #: 1361555 100% Polyester Imported UA Free Fit: pre-curved visor & unstructured front conforms to your head for a sleek, low profile fit