- If it has dust or lint, you can shake it off and also use tape/lint roller and brush to clean.
- Keep away from heat such as leaving in car close to car window on a sunny day. It may start to feel less sturdy and may change shape and style if left in the heat for too long.
- Do not keep crushed for too long, especially in the heat.
It's pretty short and simple as crushable hats are not high maintenance and do not need much care.