A "no-U-turn" sign is at the bottom of the back of this T-shirt, with the circle and line crossing out the U-turn symbol in gradated rainbow colors. "all@ucsd" and sponsors' symbols are printed above it in black. The no-U-turn" sign most likely refers to the "Equality! No Turning Back" theme shown on garments listed under "Related Materials." This is the back of T-1293A.