This kids protective fisherman hat is made of 100% cotton and soft PVC material is perfect to anti wind, liquids, water or dust and comfortable for all day wear. Features a transparent wide view mask which is removable to use as face mask and sunhat. The head circumference is about 21 1/4", suitable for 4-12 years old kids. It can protect kids eyes, mouth and nose. Cuts saliva drips, including dust, pollen and harmful gas.