Dark Energy T-Shirt

The front of our Dark Energy t-shirt features the dark energy equation of Dr. Karl Gebhardt Professor of Astrophysics at The University of Texas at Austin. The back of the shirt features our Star Trail Mountains logo in full color just below the collar and the tag line "Might not be dark. Might not be energy." The t-shirt is Canvas brand soft style in charcoal gray. CURRENTLY UNMAVAILABLE IN SIZE L.