A 100% polyester front and 100% nylon mesh weave back make these hats super durable through regular wear and tear this moose hat is ready to wear for any occasion or adventure your on. They come in one size with an adjustable plastic snap closure: 22.8" (58cm). .: Material: 100% polyester foam front with 100% nylon mesh weave back .: One size fits most (22.8"/58cm) .: Four color combinations to pick from .: Adjustable plastic snap closure .: Six row stitching on visor