NACOCO Pet Holiday Christmas Costumes Dog Santa Claus Suit Dog Warm Hoodies Cat Xmas Apparel Winter Material: polar fleece. more comfortable and more warm. All dimensions in our store are measured by hands, please compare the size to your own before purchasing. The detailed size information, please see the following product description. For more products, please click " NACOCO " above. Two legs design, give your dog more free. Size X-SmallBack length 7.9 inches, Chest length 12.2 inches, Neck length 8.3 inches. Size small: Back length 9.1 inches, Chest length 14.2 inches, Neck length 9.4 inches. Size mediume: Back length 10.6 inches, Chest length 16.5 inches, Neck length 11 inches. Size Large: Back length 12.2 inches, Chest length 18.9 inches, Neck length 12.6 inches. Size X-Large: Back length 13.8 inches, Chest length 20.9 inches, Neck length 14.2 inches.