The NFL Dog Anxiety Shirt by Pets First is a large-sized vest designed for dogs of any breed. Made from polyamide, this multicolored vest features a football theme, perfect for sports-loving pet owners. It also includes beneficial features such as being machine washable, providing stress relief, being waterproof, and offering warmth to help soothe dog anxiety. This solution vest is a stylish and practical choice for pet owners looking to provide their furry friends with extra comfort and support.