Here's the same authentic football jersey worn on the field by your favorite NFL players. 100% nylon Pro-Brite® mesh body with polyester dazzle yoke and sleeves. NFL Equipment patch. Tackle twill name and numbers. Imported. (Sizing Information: Because jersey measurements for the NFL are exact, authentic jerseys feature specific sizes. Here's the approximate size equivalent for your jersey: M = 48, L = 50, XL = 52, XXL = 54, 3XL = 56, 4XL = 58, 5XL = 60)