【NATURAL MATERIAL】Cotton,Breathable, Comfortable & Durable 【SWEAT BAND】Natural cotton sweat band, ensuring that the whole hat is pure cotton, especially the sweat band of the hat. Unlike other brands of hats, it is cotton, ensuring sweat absorption and true breathability when sweating, keeping the head comfortable. 【ALL-ROUND SERVICE】If you have any questions about this hat, please let me know as soon as possible, we will do our best to answer your questions, we provide 30 days free return.