T-PARTY Pick Your Color Western Fringe Open Cardigan Jacket Top 5% spandex T-Party Mineral Wash Cardigan Fringe Detail 95% VISCOS & 5% SPANDEX Measured without stretching Small - measures approximate 19" armpit to armpit unstretched. Medium - measures approximate 20" underarm to underarm unstretched Large - measures 21" underarm to underarm unstretched.