This Cooling Skull Cap (or cooling doo-rag) is perfect for riding your bike or working outdoors in the summer heat. Simply activate in water for hours of cooling refreshment. Just soak this skull cap in water and the special HyperKewl fabric does the rest! Tie fasten in back ensures a comfortable fit for all Comfortable, polyester mesh outer, with HyperKewlTM fabric inner 5 - 10 hours of cooling relief per soaking One Size Staying Cool and Combating Heat Stress: TechNiche International has the solutions you need to beat the heat while at work, rest and play. About HyperKewl™: HyperKewl™ fabric absorbs, stores, and releases water within the multi-layered material. Water is \xF1released\xEE through evaporation, energy is consumed, and a chill effect is created. Our HyperKewl™ fabric actually cools the body exactly the same way the body cools itself through evaporation. Users can expect the evaporative cooling fabric to provide temperatures that are 15 - 20 degrees cooler than the ambient temperature, depending on airflow.How to Use: To activate our evaporative cooling products, simply submerge the item in water for 1-2 minutes allowing the HyperKewl™ fabric to absorb the water. Gently squeeze out any excess water, wipe dry and the garment is ready to wear. The garment will remain activated for hours and can be re-hydrated by following these simple steps. Evaporative Cooling Benefits: Cost-effective personal cooling solution Provides extended relief from heat fatigue and heat stress Lightweight, durable and non-toxic Easy to activate Re-usable Offers hours of cooling relief and protection
