100% AUTHENTIC. MEASUREMENTS ARE AS FOLLOWS: ARMPIT TO ARMPIT WIDTH IS 16" INCHES AND TOP SHOULDER TO BOTTOM SEAM IS 24" INCHES. JERSEY IS IN CRISP/CLEAN PRE-OWNED CONDITION WITH ZERO TEARS, FADING, DEFECTS, ODORS, OR STAINS! EXTREMELY LOW WEAR. SEWN AND STITCHED USA LOGO. SMOKE/PET FREE HOME. SEE PHOTO SCANS AND CLICK "ZOOM" FOR A CLOSER LOOK. CHECK OUT MY FEEDBACK AND THEN BUY WITH THE UPMOST CONFIDENCE. ITEM SHIPS WELL PROTECTED 1ST CLASS WITH TRACKING WITHIN 24 HOURS OR LESS AFTER PAYMENT IS MADE. THANKS FOR YOUR INTEREST! Tim