Printed on an unisex American Apparel bb453 raglan 3/4 sleeved shirt in “heather lake blue / navy” with yellow water-base discharge ink for a super soft feel.
The blank being used for this shirt is the American Apparel 50/50. You can see the sizing chart here: http://store.americanapparel.net/poly-cotton-3-4-sleeve-raglan-shirt_bb453.