I think it's not always accurate to judge someone's personality by their clothes. People often wear things for comfort or because it's easy, not always as a sign of their personality. For instance, someone might choose sporty clothes just because they are comfy, not because they are very sporty. It's good to keep in mind that there can be many reasons for choosing clothes, and they don't always show everything about a person.
Creo que no siempre es preciso juzgar la personalidad de alguien por su ropa. La gente a menudo usa cosas por comodidad o porque es fácil, no siempre como una señal de su personalidad. Por ejemplo, alguien podría elegir ropa deportiva solo porque son cómodas, no porque sean muy deportivas. Es bueno tener en cuenta que puede haber muchas razones para elegir la ropa, y no siempre muestran todo sobre una persona.