The product is a game used/worn Elvis The King jersey night worn by David Dahl during a baseball game. This unique memorabilia item falls under the category of sports memorabilia, specifically in the baseball-MLB section. The jersey, worn by a player during an actual game, adds an extra level of authenticity and collectibility for fans and collectors alike. The fact that it was worn by a specific player, such as David Dahl, adds a personal touch to the piece, making it a valuable addition to any sports memorabilia collection.