Properties: The Nike FLEX HEADBAND provides a strong, comfortable grip thanks to Nike Flex technology. Smooth, seamless fabric minimizes distractions, while the tapered back ensures a perfect fit. Key features: Nike Flex provides a comfortable grip. Smooth, seamless material minimizes distractions. Tapered back for a better fit Technical specifications: Material composition: 38% polyester, 25% lyocell, 21% nylon, 16% spandex