The Undefeated Crewneck Sweatshirt in Navy by ABCDEFGHIJKLMiguel is a high-quality crewneck sweatshirt with a commemorative 15-0 2023 National Champions University of Michigan Wolverines football graphic on the front of the sweatshirt in team colors. It also features a slightly oversized fit. 80% Cotton, 20% Polyester.