Check the care label for any manufacturer instructions
Spot-treat stains with a small amount of mild detergent and a soft brush or cloth
Fill a sink or basin with cool or lukewarm water
Add a small amount of mild detergent
Submerge only the soiled areas if possible, keeping the cap’s brim as steady as you can
Gently scrub the sweatband and any stained sections with a soft brush
Avoid soaking for long periods, especially if the cap has a structured crown or cardboard-style brim
Rinse thoroughly with cool running water until no soap remains
Pat excess water off with a clean towel
Reshape the cap while damp to restore its original form
Air-dry on a towel or drying rack
Keep the cap away from direct heat, sunlight, and dryers
If possible, dry it over a hat form or bowl to maintain shape
Once fully dry, brush the fabric lightly to restore texture