The COSI & co. Satin Lined Cap is a gender-neutral classically structured baseball cap with satin lining to prevent excessive breakage and shedding. Our hats come with a Satin-Lined Interior to prevent frizz and breakage caused by ordinary hats. Our hats are made with an adjustable strap to fit most head sizes (from children to adults). With our unique design, you can keep your hair and face protected no matter the season or occasion.