For custom sports headbands from China, you'll find numerous manufacturers on platforms like Alibaba.com and Made-in-China.com, offering diverse materials (polyester, spandex, nylon, cotton) and customization (sublimation, embroidery, jacquard) for gym, yoga, running), with options for moisture-wicking, non-slip features, and bulk orders, making it cost-effective for teams or brands. Key players like TALMUD also specialize in bespoke designs for various markets.