Now your pup can partake in sweater season, too! This adorable sweater is featured in a soft, super stretchy design with yin yang detail and opening for leash or harness for added functionality. * Size XXS (up to 6 lbs) measures approx 6 - 9" in length and 9 - 15" in widthSize * XS (up to 10 lbs) measures approx 9 - 12" in length and 13 - 16" in width * Size S (up to 15 lbs) measures approx 11 - 14" in length and 14 - 18" in width * Size M (up to 25 lbs) measures approx 15 - 17" in length and 18 - 22" in width * Size L measures approx 16 - 20" in length and 20 - 23" in width * Size XL measures approx 20 - 26" in length and 22 - 28" in width