The Chill-Its by Ergodyne Evaporative Cooling Bandana in Navy is a set of four universal size bandanas designed to keep you cool and comfortable during hot weather. Made by Ergodyne, a trusted brand in the industry, these bandanas utilize evaporative cooling technology to reduce your body temperature. The navy color adds a stylish touch to this practical and effective cooling solution. Made in China, these bandanas are a convenient and reliable option for staying cool on the go.