Black, standard-weight short-sleeve T-Shirt. The font has an all-white US Diesel Parts logo and the back has a large skull with top-hat (Red/White), twin turbo's with smoke stacks, the American Flag and the text "Kicking Gas Since 1938".
Difficult to photograph well since the red is quite reflective! Bright red highlights on Hat, Cigar, "US Diesel Parts" text on both turbos, "Kicking Gas" text below and both pin-point eyes of the skull.
California Residents: Prop 65 Warning
WARNING: Cancer and Reproductive Harm