Come and see our amazing products. These hats are made of polyester,the sun visor hats come with adjustable magic tapes at back,fit to 53-60cm/20.8-23.6" head circumference,easy to adjust and fit most head sizes comfortably,which is convenient to wear and will not make you feel too tight or loose.Custom logo is welcome. Pls confirm with us about the packing info, stock color and exact production time before placing your order.