NFL Pro Line Chicago Bears Jersey Men’s Large Blue Authentic Khalil Mack #52 NWT The NFL Pro Line Chicago Bears Jersey is a men's large blue authentic jersey featuring Khalil Mack's #52 . Officially licensed by the National Football League (NFL), this jersey is designed for fans of the Chicago Bears to wear during the regular season. Made by Pro Line, a trusted brand, this jersey is a perfect way for supporters to show their team pride while watching games or attending events. Made in Guatemala, this high-quality jersey is a must-have for any die-hard Bears fan looking to represent their favorite player on and off the field.