Fashion has always been a controversial topic. In recent years, there has been an increasing number of fashion brands, but it seems that Off-White stands out as the leader in the whole luxury fashion industry. So this research paper not only qualitatively summarizes the reasons the famous luxury streetwear fashion brand, Off-White rapidly gained such popularity these years, but also reveals what makes Off-White blow out. This case study utilizes a SWOT structure throughout the article, which can be basically categorized into five different sections: the strengths, weaknesses, opportunities, threats, and potential survival plans or expansion for the future. It is noticeable that one of Off-White’s biggest strengths is that it has built a long-term collaborative power with varied competitors and several celebrity endorsements. As a result, it only takes Off-White approximately five years to become the most prestigious luxury streetwear fashion brand all over the globe. While it is true that Off-White has faced much more difficulties, especially after the sudden death of its designer Virgil Abloh; living in such an era of digital media, in order to survive or broaden its reputation in the future, all they need to do is to seize this opportunity and utilize lawsuits to defend its legalized equities and keep collaborative partnerships with those rivals and superstars.