Durable, stretch woven fabric provides a comfortable fit & feel UPF 30 protects your skin from the sun's harmful rays Mesh panels for strategic ventilation UA Siro sweatband gives greater stretch & recovery, an ultra-soft feel & more breathable performance Adjustable hook & loop closure Style #: 1351463 Reflective details 100% Polyester Imported UA Free Fit: pre-curved visor & unstructured front conforms to your head for a sleek, low profile fit