Vintage varsity-style zippered black sweatshirt for the J. Geils Band’s three-night concert series at Cobo Hall in Detroit, Michigan, on April 4, 5, and 7, 1980, size medium, with black-and-white striped knit cuffs and collar, and the back area is printed with the band’s logo in cursive above a design of Cobo Hall, which reads “Sold Out” and “J. Geils Band.” In very good to fine condition, with stains and fraying to cuffs, and the zipper pull is missing.