The four coins on the back of the shirt each have sayings in Latin. Translated they are as follows:

MENS SANA IN CORPORE SANO ~ A sound mind in a sound body

OSCULARE PULTEM MEAM ~ Kiss my crits

VESCERE BRACIS MEIS ~ Eat my shorts

NULLI SECUNDUS ~ Second to none

VENI, VIDI, VICI ~ We came, we saw, we conquered

INCITATUS ~ Speed Demon

AMAT VICTORIA CURAM ~ Victory favors those who take pains