This Nike Replica NY Mets Jersey has been personally hand-signed by NY Mets Ace Nolan McLean. This is an officially licensed product, Not a custom or china replica! This is a size Men's XL. This item was signed in the presence of and witnessed by a representative of both MLB & Fanatics. It comes with an individually numbered, tamper evident sticker from both companies which can be reviewed online to ensure authenticity. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.