Keep your dog warm and comfortable through cold seasons with this thermal dog base layer shirt. Designed for autumn, winter, and below-freezing weather, it features soft fabric that helps retain body heat while managing moisture for a cozy wearing experience. The half high-neck design provides extra coverage and warmth around the neck area, while the lightweight stretch material allows comfortable movement. Ideal as a winter base layer or everyday cold-weather outfit, this dog thermal shirt is perfect for small and medium dogs during walks, outdoor activities, and chilly days.