Techniche 6536-BK Evaporative Cooling Skull Cap
TechNiche's Evaporative Cooling Neckwear & Accessories provide 5-10 hours of cooling relief per soaking. They are lightweight, and durable.  Evaporative Cooling (HyperKewlTM) - this simple and effective technology works by combining water with our HyperKewlTM Fabric to create garments that gradually release water through evaporation to keep you cool, but comfortable. Typical applications include industrial safety, construction, emergency services, military, outdoor recreation, athletics, motorcycling and equine.