Pinkaholic New York Trinity II Harness/Skirt Combo for Dogs, Medium, Red Checkered and solid scheme harness and jumpsuit all-in-one Features a detachable bottom that is interchangeable with the skirt from trinity II Plush and soft winter harness 100-Percent acrylic shell, 100-percent polyester lining Size: medium - 10 1/4-inch neck girth, 13 1/2-inch chest girth