Function Future Athletic Series 1973 Jersey Size XL Red Long Sleeve Pullover The Function Future Athletic Series 1973 Jersey in size XL is a red long sleeve pullover designed for fans of the National Football League (NFL). This jersey features the iconic colors and logo associated with the sport of football, making it a stylish and comfortable choice for showing support for their favorite team on game day. Perfect for any football enthusiast looking to represent their team in style.