Expression Tees It's A Gronk Thing, You Wouldn't Understand Mens T-Shirt 100% Pre-shrunk Cotton Welcome to Gronk Nation - It's a Gronk Thing, You Wouldn't Understand His Royal Gronk-Ness Printed and designed in the U.S.A. using top quality garments for comfort and style. We use state of the art equipment to ensure vibrant colors and lasting durability on every piece of clothing apparel we sell Our professionally printed Men's T-shirts are 6 oz. preshrunk 100% cotton jersey knit (heathered shirts are a 90/10 cotton/poly mix), with taped neck and shoulders, double-needle sleeve and bottom hems, for a comfortable fit and feel. Recommended Care Instructions - Machine wash cold, inside out, with like colors. Only non-chlorine bleach. Tumble dry medium. Do not iron. Do not dry clean. Makes a perfect gift for Christmas, Birthdays or any Holiday or special event