The Authentic MLB Jersey is designed with all the rigors of on-field use in mind. When you wear this jersey, you can trust that you are wearing the same design worn by the pros. From the durable double-knit fabric and Authentic MLB decoration down to the detail of the Authentic locker tag, you are wearing the original. Front Authentic decoration ,MLB Authentic Collection woven locker tag ,Sleeve patches (where applicable) and embroidery, Center back neck MLB silhouetted batter patch, 100% polyester double-knit, Made in the USA, Authentic full back player twill decoration.