Rob  Gronkcowski 100% Pro-Brite polyester
.Engineered Stripe Collar and Cuffs with New England Patriots colors and logo   
 Gronks  number stitched  on the  back and New England Patriots Logo Stitched on the back
.Engineered to look like a real on-ice jersey Cotton twill numbers 

.woven neck logo, plus jock tag at lower left front