Boston Shamrock Retro T-Shirt 100% cotton PERFECT FIT: Great fit t-shirt, runs true to size. Comfortable & breathable fabric. This will be your favorite tee! QUALITY MATERIALS: Our tees are made with high quality materials. Gray is 90/10, Navy is 100% Cotton, Green Is 60/40, Charcoal is 60/40 PRINTED IN THE USA: Our tees are decorated & printed in the USA by hardworking people. We take pride in our designs. SHOW YOUR PRIDE: T-Shirts are the best form of expression for your passions. Pay homage to what you have pride in by wearing this tee. PASSION, HISTORY, PRIDE: This tee expresses something that is important to you. Wear it with pride & get some high fives from others with the same interest