55% linen + 45% cotton wide brim sun hat, here are the cleaning and maintenance suggestions:
Cleaning: Hand wash in cold water, add a small amount of mild detergent, avoid rubbing or machine washing. Gently soak and press lightly to clean, do not use bleach.
Drying: Lay flat on a dry towel to air dry naturally, avoid direct sunlight or high temperature drying to prevent fading or deformation.
Maintenance: Remove dust regularly with a soft brush, use a hat rack or lay flat when storing to avoid compression. Keep dry and avoid humid environments.