
Fashion ‘Dupe’ Phenomenon: Lululemon Sues Costco as Social Media Fuels Budget Luxury Trend
In a move highlighting the escalating tensions between high-end brands and mass retailers, athletic apparel giant Lululemon Athletica Inc. filed a lawsuit against warehouse club retailer Costco Wholesale Corporation on Friday, July 4, 2025. The suit alleges that Costco is engaging in unlawful business practices by selling lower-priced imitations of Lululemon’s popular athleisure wear. This…