Y2K in fashion refers to the revival and celebration of aesthetics from approximately 1997-2004—the years surrounding the millennium. The style encompasses futuristic optimism (metallic fabrics, cyber-inspired graphics), early hip-hop fashion influence (baggy silhouettes, jersey dresses, velour tracksuits), and the era's distinctive logomania. Y2K fashion emerged as Gen Z discovered and recontextualized their parents' era, finding appeal in pre-smartphone optimism and distinctive visual codes. In streetwear, Y2K manifests through vintage hunting for era-specific pieces, brands referencing the period's graphics and fits, and the rehabilitation of previously unfashionable items like low-rise pants and butterfly clips. The aesthetic intersects with early BAPE, vintage Juicy Couture, early Supreme, and the bold experimentation of pre-minimalist fashion. Y2K represents nostalgia for a specific technological moment—post-internet optimism before social media's dominance—translated through clothing.