These khaki Hollywood classic caps are easy to wear. Just place the cap on your head and adjust it to fit comfortably. When it comes to cleaning, you can gently hand - wash them in cool water with mild detergent. Let them air - dry. Avoid using harsh chemicals or machine - washing as it may damage the cap. Remember, due to the California Proposition 65 warning, handle the cap with care as it may contain chemicals like cadmium, lead, and nickel.