What is the fine-grained topic of the following text: Special red T-shirts which read "Wounded Warrior Project" on the front and "Dow High football" on the back will be on sale during lunch for students at Dow High throughout the week, and they will also be on sale for the public at a booth adjacent to the concession stand at Friday's game. Only return the topic.
Sale of "Wounded Warrior Project" T-shirts at Dow High