TAG SIZE M. SHIRT MEASURES CHEST 43" (21 1/2" MEASURED ARMPITS ACROSS FRONT CHEST,  THEN DOUBLED) LENGTH 28" (MEASURED FROM BACK BOTTOM OF COLLAR TO BOTTOM OF SHIRT TO BOTTOM OF SHIRT) SHOULDERS 19" (MEASURED TOP SHOULDER SEAMS ACROSS) SLEEVES 26" (FROM SHOULDER TO END OF SLEEVE) WAIST & HIPS 43"