The present invention is an animal cooling system including a collar removably connected to a vest. The collar may be affixed around an animal's neck and the vest around the animal's torso. The collar includes a fabric layer having at least one pouch affixed to an inner side, at least one coolant sheet removably located within the pouch, and a fastener affixed to the fabric layer. The vest includes a fabric layer having at least one pouch affixed to an inner side, at least one coolant sheet removably located within the pouch, and a fastener affixed to the fabric layer. The coolant sheets include a freezable, non-toxic coolant and once melted, may be removed from their respective pouches and swapped for fresh, frozen coolant sheets to allow for continuous cooling. The system may also be utilized as a separate collar or a separate vest having the same construction and function.