Wider shoulder and thinker chest style, self-design specially for big muscle and active dogs such as French Bulldog, Pug, English Bulldog, American Bully Pitbull and etc.
A special gasket under the zipper prevents dog hairs from being stunk.
Size attention:the neck girth and chest girth are most important, so it is better to choose a size which can meet the bigger one of the two girths.