Official Castore x Max Verstappen Red Bull Racing merchandise. The two-time F1 world champion is arguably one of the most exciting drivers in Formula 1, and wherever F1 goes Verstappen's "orange army" follow and the Dutch GPs are taking the Max fever into overdrive. Choose from all the officially licensed Castore x Max Verstappen Red Bull Racing teamwear including caps, jackets, sweaters and t-shirts as worn by Max during the F1 season, alongside all the officially licensed Max fan apparel, accessories and gifts.