Sun Visor Hat with Fan: Compared with the traditional sun hat, you can feel cool without holding the fan, and the angle can be adjusted to meet your needs. 3 wind speeds can be adjusted to the cool wind experience you choose. UPF 50+ Sun Protection: This hat with large curved brim helping to shade the sunlight from any direction, enough to blocks most sun UV rays, thus to give the best sun protection and protect your eyes and face against dazzling sunlight. PVC Fastening: Buckle,Cap,Elastic,Straps Visor Regular Adjustable Sun Visor Hat: Elastic straps make it suitable for most men and women. This sun visor hat is adjusted with buckle closure. you can adjust into a suitable size according to comfort level. Head circumference: 22-22.8in(56-58cm)