T Party Lightweight Double Split Hem New Long Sleeve Top Choose Color T-PARTY LIGHTWEIGHT DOUBLE SPLIT HEM SURF STYLE TIE DYE IS MADE BIG FOR A COOL, LOOSE AND COMFORTABLE FIT 48% POLYESTER & 48% RAYON & 4% SPANDEX Measured without stretching Small - measures 19" armpit to armpit unstretched Medium - measures 20" armpit to armpit unstretched large - measures 21" armpit to armpit unstretched