(Plus: Michael C. Hall gets sentimental over footwear.) 1. The army green shirt, commonly referred to as Dexter’s kill shirt, is actually called his stalking outfit, according to the scripts.

The Army Ten-Miler t-shirt design contest is open to all U.S. residents, age 18 and older. Designs must be original artwork and reflect the unique tradition and experience of the Army Ten-Miler.

“We Care, We Vote, Do U?” reads the Army green T-shirt, appropriately priced at $20.18 since the money raised will be used in part to help Democrats in the upcoming midterm elections.