71 Shirts is an online t-shirt store run completely by the internship program at Antidote 71. With offices in Omaha and Sioux City, Antidote 71 is a company that primarily focuses on digital and marketing consultations. 71 Shirts instead focuses on e-commerce designed as a collaborative effort by interns past, present, and future. The website, shirt designs, and all other functions are created and managed by the interns at Antidote 71.