【Material】100% polyester, made of high-quality fabric, soft and moderate, comfortable and breathable. 【Features】Classic arc brim hat with sweat band inside, breathable. Back adjustment buckle, free to adjust the size of the hat circumference. The cap fits snugly on the head without being baggy. 【Applicable scenes】It is very suitable for indoor and outdoor wear, leisure, sports, travel, etc. It is a versatile hat. It is unisex and suitable for all seasons. 【Size】Hat circumference 55-59cm, the size of the cap circumference can be adjusted on the back, and you can choose the most comfortable way to wear it. 【Washing】It is recommended to wash by hand and do not bleach.