what is the size design part

Do you mean Ironman logo as in marvel iron man or the Ironman marython logo?

Have you been keeping up with your page?

Ironman triathlon logo. Not superhero

Either the entire front or back of the t shirt

Thanks for the opportunity to submit a design for your t-shirt. A design has been submitted for your consideration. Revisions may be made at your request. Your feedback is appreciated!