ADJUSTABLE. Adult-size Baseball Cap Protector fits most with an adjustable back panel and an adjustable chin strap. FUNCTION + COMFORT. Designed to be discreet, functional and easily adaptive, this product is also made with breathable padded foam and internal terry lining covered with honeycomb fabric to absorb shock and impact. STYLISH. With its simple, youthful, baseball cap design, users can style and match it with anything, wear it anywhere, and use it throughout the day and night. WASHABLE. The material of this product is both machine and hand washable in warm water. Air dry on a flat surface.