Combined cooling relief and protection from the sun; adjustable hook & loop closure with removable cooling liner
100% cotton outer with HyperKewl fabric inner, water-repellant nylon liner, and hook & loop attachments
5 - 10 hours of cooling relief per soaking
Evaporative Cooling (HyperKewl™): This simple and effective technology works by combining water with our HyperKewl™ Fabric to create cooling baseball caps that gradually release water through evaporation to keep you cool, but comfortable. Typical cooling headwear applications include industrial safety, construction, emergency services, military, outdoor recreation, athletics, motorcycling and equine.