Mitchell & Ness Authentic Jersey RedBulls Chicago jersey100% polyester double knit body. Sleevesbulls have poly braid appliques. Sleeve and front logo are heat pressed vinyl. Knit rib waistband and neck. Traditional fit: roomier in the body and sleeves.Founded as a golf and tennis company in 1904, Mitchell & Ness Sporting Goods provided on-field uniforms to the PhiladelphiaEagles, Athletics, and Phillies as early as 1933. The Mitchell & Ness Nostalgia Company was created in the 1980s based on the idea to resurrect authentic jerseys significant to sports history. As the pioneer in this field, Mitchell & Ness is known worldwide for its authentic classic jerseys. The company holds licenses from the MLB, NBA, NFL, NHL and NCAA to produce premium apparel and headwear. Headquartered in Philadelphia, PA, Mitchell & Ness has been Defining Authentic'' for over 100 years.