Our most loved NANDEX ™ fabric (made famous by our 'Best Black Tights' or 'leggings' for our international customers), now available in Beaches Blue. Once an in store only colour way, the highly requested Beaches Blue has made it’s way online for a limited time only. STAX. NANDEX ™ is the perfect combination of a buttery smooth, high-performance fabric that can support you through your work out and your everyday, stylish lifestyle.