100% AUTHENTIC. MEASUREMENTS ARE AS FOLLOWS: ARMPIT TO ARMPIT WIDTH IS 21" INCHES AND TOP COLLAR TO BOTTOM SEAM IS 28" INCHES. RARE FIND! SHIRT IS IN CRISP/CLEAN MINT PRE-OWNED CONDITION. ZERO WEAR, TEARS, FADING, DEFECTS, ODORS, OR STAINS! SMOKE/PET FREE HOME. SEE PHOTOS AND CLICK "ZOOM" FOR A CLOSER LOOK. CHECK OUT MY FEEDBACK AND THEN BUY WITH THE UPMOST CONFIDENCE. ITEM SHIPS WELL PROTECTED PRIORITY MAIL WITH TRACKING WITHIN 24 HOURS OR LESS AFTER PAYMENT IS MADE. THANKS, TIM