What is a Kastor?

A Kastor is a term that can refer to a variety of subjects depending on the context, but it is most commonly associated with the Kastor brand, which specializes in high-quality travel gear, particularly suitcases and bags. Additionally, in mythology, Kastor (or Castor) is one of the twin brothers in Greek mythology, known as the DiOScuri, along with his twin Pollux. If you have a specific context in mind, please provide more details for a more tailored response.