Size S: 9.05" neck girth; 14.56" chest girth; 9.44" Back Length. Must measure your pet's neck/chest girth,back length, body weight and check the size chart before order, do not make a decision just by the size name, one size up/a bit loosely will be more comfortale. Outer Material: Polyester; inner material: microfiber, keep your dog feel comfortable all the day. Easy to wear: Elastic and easy to put on and take off. Comes with Cow Jaws hat, make your pet like a real cow. Many sizes optional, please choose the suitable one according your pet's size and weight. Feature: Cat/Dog pet adorable COW costume hoodies, let your pet join the fun in a costume, get your pet involved in the entertainment you have at the festival. Suitable for Winter or Autumn. Keeps your pet warm and cozy throughout any outdoor activity. Assured to bring smiles to the faces of your loved ones with loads of love for your pet. Suitable for Winter or Autumn. Keeps your pet warm and cozy throughout any outdoor activity. Assured to bring smiles to the faces of your loved ones with loads of love for your pet.