Gooby Cold Weather Fleece Lined Sports Dog Vest with Reflective Lining Warm Fleece Reflective lining Water Resistant 3 Point Velcro Closure Leash Attachment Weight : X- Small : 3-5 lb; Small : 5 - 8 lb ; Medium : 8 - 15 lb ; Large : 15 - 20 lb ; X - Large: 20 - 25 lb