This evaporative cooling hat uses evaporation to keep your head 30

Arctic Air Evaporative Cooling Hat - UV Reflective

What is evaporative cooling and why is it good?

HyperKewl 6595 Evaporative Cooling Mesh Baseball Cap

Combined UV Protection, Reflection, And Controlled Evaporative Cooling Technology, Combines 99% UV protection, 80 reflection of the sun's heat waves,

2 Polar Hydro Evaporative Cooling Hat With UV Reflective Protection Bucket Cap - Unisex - 2 Caps

Review: Pour Water In, 'Evaporative' Hat Cools Your Head

Stay cool and protected from the sun during outdoor activities with the coolbit Cooling Cap Using Evaporation - a patented design that's like no

Cooling Cap Using Evaporation - UV Protection, 3 Hours Cooling Relief - Jogging Golfing Gardening Unisex

We can help you turn your favorite hat into a cooling hat! All you need is our Cool Comfort® Insert with hook and loop Velcro® tabs.

Make Your Own Cool Comfort® Cooling Hat!

How could a house be cooled with evaporative cooling technique

Ergodyne Chil-Its 6710CT Flames Evaporative Cooling Triangle Hat

The newest BERTSCHAT® design to keep your head cool during hot days. The two large cooling surfaces at the front and rear protect you against the

Cooling Hat | Evaporation

Best Evaporative Cooling Hats To Beat The Heat - Outdoors with

Mission Cooling Hat Review: Do They Actually Work?