These caps are cool in more than one way. They'll shade your head while keeping your forehead cool with the built-in eco-friendly solar fan. No need to turn the fan on and off. It goes on automatically with adequate sunlight, so it is perfect for those daytime music festivals. Solar panels on the brim of the cap capture the sun's rays and turn them into power for the fan.
Comes in your choice of an all-white or all-black cap with matching fan color. Cap is one size fits most adults with an adjustable back strap for comfort.