Keep cool all day long with our dual-use Cool Offs! Just soak in cold water for 5 to 9 minutes and the cooling crystals go to work to keep you cool! Lightweight and comfortable, these 38? long Cool Offs are the longest on market and can be worn around your neck or tied as a headband. Our unique button hole closure allows for a secure fit and theyre quilted into four sections for an even distribution of hydration material. The outer shell is 100% cotton and are available in 7 colors and patterns.