! You're supposed to.

Printed on the fronts and backs of these shirts:

• Mens/Unisex Shirts: American Apparel Fine Jersey Mens/Unisex 2001 (or Next Level 3600). 3XL and 4XL may be substituted with Gildan Ultra Cotton or Hanes Beefy-T in closest color match. 
• Fitted/Ladies Shirts: Bella Fine Jersey Womens Tees (6004) or Gildan Softstyle 64000L.