Quality Cotton Material: brimless beanie hat is made of cotton, soft and comfortable to feel, serviceable and reliable, hard to break, fade or tear, light in weight, will not cause discomfort or compress your head, with a long service life; Please iron it before wearing. Adjustable Hat: each brimless cap measures about 21.25-24 inches, about 3.9 inches in depth; And it comes with an adjustable buckle, so you can flexibly adjust it according to your head circumference and other needs