Limit your exposure to heat exhaustion and heat stroke by using Radians Arctic Radwear Cooling Towels for your safety programs. The RCS11 is made with Advanced ARCTIC Technology that accelerates the evaporative cooling process. Just soak the towel in water for 2 – 3 minutes and then experience cooling relief for up to 5 hours. The Arctic Radwear Cooling Towel is designed to keep you cool during hot outdoor activities, such as construction work, welding, or any strenuous outdoor or indoor activity.