This innovative, new cooling vest is ideal for casual wear and covers more surface area with a soft, high quality fabric that stretches to comfortably fit the body. Glacier Tek Flex Vest features soft, high-quality fabric that stretches and moves with the wearer. Perfect for clean environments such as offices, homes or for recreational use, the Flex Vest is an important accessory when the temperature gets too warm. It also includes an extra set of 12 cooling packs, allowing the wearer to maintain a comfortable temperature simply by switching sets every few hours.