UA Storm technology is light, nearly weightless, and just shrugs off the rain. Add it to our best hats and there's never an excuse to stay inside. > UA Storm technology repels water without sacrificing breathability > Built-in, stretchy elastic sweatband wicks away sweat to keep you cool & dry > Stretch fit design for customized comfort > Uses a fluorine-free water repellent treatment. Comfortable fit, with a modern look. Regular fit and value for money. Flexible design. High quality product.