Have your kids proudly display their Irish pride by wearing one of our Irish designed shirts. Available in a variety of styles, color options and sizes. Our shirts are 100% cotton, true to size, preshrunk and printed + shipped in the USA. Sizing charts are included right at the bottom of each shirt page. Our Baby Onesies come in infant unisex sizes newborn (NB) to 24 Months and feature 100% combed ring-spun cotton with flat-lock seams, double needle ribbed binding on all the openings, and easy 3-snap closure.