HOORAY! The St. Patricks tees are up for pre-order! Shipping on our around Feb. 24th. All of these adult tees are unisex sizing, so we recommend sizing down. All of the kids and baby tees are true to size. They are printed on American Apparel and are super soft and well fitting. That ships on our around Feb 24th too. Please, if you have any questions on sizes you can text or call 602-432-2903 or email kimberly@hellomerch.com for immediate assistance. All sizing charts are found (if on mobile) by clicking on the toggle arrows at the top right of the main pic of the item.