Dog Cooling Jacket Large is a breakthrough in thermoregulating technology. This Dog Cooling Jacket works through Water-absorbing cross-linked polymers are sewn into supple fabric. Just soak the dog jacket through with water and then put the jacket on your dog to help him fight off heat exhaustion and keep him cool on hot days. The Dog Cooling jacket acts as a perspiration system. It absorbs heat from your dogs body then allows the heat to be dispelled into the air by the natural evaporative process. So instead of just panting and sweating through the pads of his paws your dog is basically sweating by jacket which helps him to cool off. Check out the new revolutionary cooling jacket today your dog will love you for it.Dog stays cool and dry.Relieves body heat through the evaporative process.Bright safe colors.Simple easy to use.Reflective for high visibility at night.Wash by hand without harsh abrasives.Large Cool K-9 Dog Cooling Jacket.Good for dogs 60-100 lbs.Fits chest sizes 29-36".