Description
The Ruffwear Swamp Cooler utilizes naturally evaporative technology to keep your dog cool. Soak it in cold water, wring it out, and fasten around your dog. The evaporative cooling technology replaces the dog’s heat as water evaporates from the coat’s reservoir. During the phase transition from liquid water to water vapor, temperature drops, mimicking the cooling effect of human sweat. The Swamp Cooler’s light color is designed to reflect heat from the sun. Combined with the evaporative cooling e
