Help crews stay cool through long, hot workdays with the OccuNomix Miracool HyperKewl™ Cooling Neckband. Made with a polyester cool mesh exterior and Miracool HyperKewl™ interior, this reusable neckband provides up to 10 hours of cooling per soaking. Simply soak it in water to activate the cooling technology, then tie it comfortably around the neck for lasting heat relief during landscaping, construction, agriculture, and other demanding outdoor work. One size fits most.