Product Material: Our Aliens patterned casual White baseball cap is made of polyester fabric with a printed front and a curved brim, suitable for various occasions such as everyday wear, outings, and sports. Product Design: Our Aliens patterned casual White baseball cap features a reinforced crown and an Oxford lining. Breathable holes effectively reduce stuffiness and keep the head dry. Product Performance: An inner sweatband reduces sweat dripping, making it suitable for sports or outdoor activities. Adjustable Hood: The adjustable back allows for free adjustment of the tightness to fit different head sizes, meeting the needs of most people. Cleaning and Care: Hand washing is recommended. Avoid machine washing or vigorous rubbing. It's an accessory for travel and outdoor activities.