These LA Classic Caps are easy to wear. Just place the cap on your head and adjust it to fit comfortably. When using these caps, keep in mind the California Proposition 65 Warning about the chemicals. To maintain the caps, you can gently hand - wash them in cold water with a mild detergent. Avoid using bleach or harsh chemicals as they may damage the color and material. Let the caps air - dry flat to keep their shape. With proper care, these caps will last you a long time and always look great.