Radians Arctic Radwear Cooling Towel Radians Arctic Radwear Cooling Towels are 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, tough workouts, or any strenuous outdoor or indoor activity. Reusable Packaging Design. Safe and Reusable, Jobsite Proven. Anti-Microbial treated to help prevent mold build-up and unwanted smells. Heat stress safety management. Lasts up to 5 hours, depending on humidity levels. Dimensions: 26" x 17"