1. Fabric Type 100 Polyester 2. Description Hand Wash Only 3. Origin Imported 4. Closure Type Drawing 5. Origin China 6. One Dimension: Everyday Style Men's Sun Hat, Comfortable and Harmonious. Hat Circumference: 21.6'-23.6', Hat Height: 3.94', Hat Mouth Length: 3.54', Hat Jaw Stretch: 10'. The inside of the inner knitted layer can increase cooling, comfort and air flow to a great extent. His wide mouth is large enough to keep his forehead in the shade. In the summer, harmful UV rays will protect you from the sun and wind. UPF provides better protection than the sun and provides harmful rays to the face and neck. There is an amazing layer inside the hat that can increase cooling, comfort and air flow to a great extent, with greater ventilation and heat distribution than ordinary solar hats. Designed to be lightweight and portable, this hat can be easily folded and put into any bag, handbag, backpack or tote. It is easy to carry wherever you go. Perfect for travel, vacation and outdoor activities.