The Chill-Its 6684 Dry Evaporative Cooling Vest offers immediate and drip-free cooling relief for up to three days of cooling. With its exclusive dry evaporative technology, this cooling vest keeps the wearer completely dry and comfortable, as opposed to other cooling vests on the market that require soaking to cool effectively. The vest is constructed with industrial-grade quality lime nylon to enhance visibility and perform in the toughest conditions. HOW TO ACTIVATE Fill th