It is good that you care about the health of your dog and do not allow it to overheat in hot weather. In addition to this model, I advise you to pay attention also to the Chill Out Ice Bandana. Do not forget about yourself. People also need to maintain optimal body temperature. You can read more info here https://hellocoolstuff.com/best-cooling-bandanas/ This article describes the most successful models of cooling bandanas.