Size:Headwear one size fits most, elastic construction all around will stretch to comfortably fit snugly any size.<br />Adjustable:The comfortable material makes it possible for you to adjust the size to fit you well,never too lose or too tight.One size is suitable for all adults men and women.<br />Multipurpose & Stylish:Simple and fashion style easy match for casual dress up. Daily used for indoor and outdoor. Can be used as night sleep cap and cancer chemo hat as well.<br />Any issue, Please feel free to contact the seller. ">