Dress your dog for game day right with this incredible dog jersey from the Green Bay Packers. Made from comfortable polyester with stylish v-neck cut and officially licensed team logo design, this is just the thing to prove that a good dog isn't just man's best friend, but their favorite team's #1 fan as well. Small 12-13 length, 14-18 girth, 10-13 neck Medium 14-15 length, 16-20 girth, 11-14 neck Large 16-17 length, 20-24 girth, 13-16 neck X-Large 18-20 length, 27-30 girth, 16-21 neck