Arrive in style with the authentic, match ready long sleeve adidas Chicago Fire Home Jersey.ForMotion fabric is cut specifically for professional athletes. Shirt has adidas ClimaCool technology to ensure complete upper body comfort.Jersey has a heat pressed club badge with championship star, MLS patch and American flag, in addition to a screened brand logo and sponsor design. 100% polyester. Imported.The authentic is the actual piece that is worn on field. The authentic uses a performance cut for a snug fit. It also has a bonded crest. The authentic also features upgraded materials, including the laser cut mesh panels. The upgraded materials on the authentic result in a lighter weight.NOTE Tight fit means any jersey classified as Authentic will run small.