Undercoat™ Dog Water JacketWater Friendly Insulation When it comes to exploring in and around water, the Undercoat Water Jacket offers warmth for dogs who can't resist making a splash in the colder, shoulder seasons or who are prone to getting cold when wet. It's an amphibious jacket that thrives in wet environments, using a formfitting laminated neoprene for insulation that stretches and moves with dogs as they romp and swim. Super soft, articulated stretch StormSleeves are