CLASSIC COMFORT. Polish up your look in the Nike Classic99 Hat. Its soft sweatband and stretchy material help maximize your comfort so you can stay focused on your game. - Dri-FIT technology helps you stay dry, comfortable and focused. - Embroidered eyelets enhance airflow. - Perforated hook-and-loop closure offers breathable comfort. - Dobby fabric with spandex stretches for a custom fit. - Terry sweatband is soft and absorbent. - 90% POLYESTER, 10% SPANDEX