Solaration&reg; 7001 Claret-red Fan Hat for Baseball, Golf and Sports Watching Measurement: 12.5 long X 8 wide X 5 inches tall. Net Weight: 4.6 oz A golf cap that has a mini fan cooling the face. Solar powered fan that cools your face off in the Sun. Great for the summer, and outdoor activities 3" fan. Working not as powerful as indoor fan!