Corteiz, also stylized as Crtz, is a UK-based streetwear brand that has become a dominant force in global fashion through its underground appeal and guerrilla marketing. Founded by Clint419, the brand has grown from an enigmatic Instagram presence into one of the most hyped names in contemporary streetwear, rivaling giants like Supreme and Palace. What makes Corteiz unique isn’t just the clothing—it’s the culture, the exclusivity, and the movement behind it.