Tilley TH5 is made of hemp which is the world's strongest natural fiber. It is breathable and naturally resistant to UV light, mold, mildew and salt water. Tilley Hemp fabric has been tested and certified as having a UPF 50+; this is the maximum UV protection rating given. Styled after the popular T5, the TH5 Hemp Hat features a semi-sloping brim for sun and rain protection and a high crown for ventilation. Washing Instructions: Machine wash in warm or cool water. Do not use bleach. Smooth and reshape the Hat by hand and set it out to air dry This special order hat can take up to 5-7 days to ship.