What are police hats made out of?

Police hats are typically made from a combination of materials, including wool, polyester, and sometimes a blend of both for durability and comfort. The outer fabric is often designed to be weather-resistant, while the inner lining may feature breathable materials for added comfort. Additionally, some police hats may incorporate a plastic or metal visor for protection and visibility. The specific materials can vary depending on the uniform regulations of individual police departments.