For the 2026 World Cup, the humble fan scarf has undergone a massive shift. It's no longer just a promotional item; rPET (recycled polyester) has become the industry default. This isn't just because of sustainability trends, but because of three practical realities: supply, compliance, and complexity.

First, while global rPET volume is growing, its total market share actually dropped to 12.0% in 2024 as virgin polyester grew faster. This means buyers aren't just looking for recycled yarn—they are fighting for the small portion that is certified and traceable. This makes GRS (Global Recycled Standard) an essential tool for providing the data that legal and ESG teams now demand.

Second, the sheer scale of the 2026 tournament—with 48 nations and 16 host cities—cre ...