Made of chino cotton twill fabric.Adjustable snapback strap closure. The empty cap can quickly discharge the hot air, so that your summer travel can be very refreshing. 【Sizes】Hat circumference 24-26.2'', visor 2.76''. 【Applicable situation】Great for indoor or outdoor activities in Summer. It is suitable to wear it when hiking, running or doing other activities. 【Applicable population】One size fits most men, women and youth.