, Technical Director at Performance Sportswear Lab : “Most brands claim ‘premium’ but cut corners on the inner seam and the hem tape. Koraextra has invested in ultrasonic welding for seams that usually fray. That’s a 300% increase in tear strength. For active fans, this is objectively superior.”
Beyond the Crest: Why the Koraextra x Barcelona Collaboration Redefines ‘Extra Quality’
