Of course the 1up Mushroom would be there to help. Many times in life we avoid taking a risk because of the dire consequences (death, dismemberment) involved. Collect a 1up mushroom and you would have carte blanche to try pretty much anything with no permanent repercussions.  

Charcoal tshirt with a pixelated mushroom on it and '1up' printed beneath. 100% heavyweight cotton tee.

Measurements:

L Armpit to Armpit is about 21 inches , and from the shoulder to the bottom of the shirt is about 28 1/2 inches