mesh cap Made of 100% polyester cool mesh fiber ONE SIZE fits most with elastic band Keeps tight and comfort. Description:Made of 100% polyester cool mesh fiber.ONE SIZE fits most with elastic band, fitting up to XL.Keeps tight and comfort.Thin, soft, flexible and smooth material. More details for your reference: 1.Material: cotton twill,AZD-Free material,canvas,polyester,acylic,mesh,bamboo,wool ...