Represent Twenty One Pilots quadrilogy of the clancy era with this collage trucker hat! 100% polyester front and 100% nylon mesh weave back make these hats super durable through regular wear and tear. They come in one size with an adjustable plastic snap closure: 22.8". .: Material: 100% polyester foam front with 100% nylon mesh weave back .: One size fits most .: Adjustable plastic snap closure .: Six row stitching on visor .: Creases on the hat will straighten out naturally once unpackaged and worn