This mod adds a red pre-war shirt with a floral print. You can find the shirt in the Goodsprings Gas Station, on a wooden crate on the ground across from the door.
Edit: I forgot to package the texture with the file, making the shirt look messed up in-game. It should work fine now.
Edit: I forgot to package the texture with the file, making the shirt look messed up in-game. It should work fine now.