The product is an authentic Nike Alvin Kamara autographed New Orleans Saints black jersey. It is signed by Kamara and comes with a Beckett Authentication Services (BAS) certificate of authenticity, verifying its originality. The jersey is an on-field style, indicating it is the same design worn by Kamara during games, making it a valuable piece for fans and collectors alike. Its authenticity and connection to a prominent player like Kamara add to its appeal for football enthusiasts.