The product is an Authentic Frank Gore #21 San Francisco 49ers Reebok NFL Jersey in Size 44. 

This officially licensed jersey by Reebok features the player's name and number, representing the National Football League (NFL) team. 

The jersey is designed for men or women and comes in the team's color, making it a perfect piece of fan apparel for fans of the San Francisco 49ers.

 Perfect for wearing during regular season games or showing support for the team during off-season activities.