Basic Hollywood Denim Dog Vest (Patch and Belt Sold Separately)Basic denim vest with removable accessories (sold separately). Denim Vests: Please use the chest measurement when ordering our vest. Our Escape Proof Vests are sized in the middle of each size on our size chart. For example, the Size S Vest is exactly 16 in the chest. If your dog measures at the high end of a size, please go up to the next size. (XXS, XS, SM, Med) Selecting the Correct Size Most of the garments are sold as separates allowing you to