NO INNER SIZE TAG. JACKET MEASURES A 44R. JACKET MEASURES CHEST 47" (23 1/2" MEASURED ARMPITS ACROSS FRONT CHEST, THEN DOUBLED) LENGTH 31" (MEASURED FROM TOP SHOULDER TO BOTTOM OF JACKET) SHOULDERS 19" (MEASURED TOP SHOULDER SEAMS ACROSS) SLEEVES 25" (FROM SHOULDER SEAM TO END OF SLEEVE) WAIST 43" HIPS 46"