This ultimate fishing hat will not only provide you with complete shade in the sun, but it will also help keep you cool with the built in "Air Conditioner" for your neck and ears. This air conditioner is awesome! It works two ways- first blocking harmful UV rays to your neck and ears and second as a cool down method. Quickly place in water and reapply to your head for a cooler feeling to keep you safe in intense heat! Lastly, the NO FLY ZONE! Insect repellent technology which helps repel bugs for up to 70 washings!