RWBY Merchandise and Shirts Welcome to Remnant. Are you ready to take on the Creatures of Grimm? You are going to need some Dust and RWBY merchandise. Don’t just put on any old uniform for your training at the Beacon Academy. Try on a RWBY shirt to keep up with the rest of the team. While throwing some serious shade at your enemies you are going to need a RWBY hat. Keep the city of Vale safe when you put on the latest RWBY merchandise.