Hunter MFG San Francisco 49ers Dog Jersey 100% polyester micromesh construction. Team name and logo, number (00 only) and screen graphic on the sleeve. Stylish and comfort-fitted v-neck cut. Decorated in the team colors. Officially licensed. Made in USA. Sizing Info NOTE: Sizing info applies to the size of the dog, not the garment Small: Length 12-13" Girth 14-18" Neck 10-13" Medium: Length 14-15" Girth 16-20" Neck 11-14" Large: Length 16-17" Girth 20-24" Neck 13-16" X-Large: 18-20" Girth 27-30" Neck 16-21"