Nike Swoosh Sport Headband Black and White N1002021176OS Properties: This set of Nike headbands will help keep your hair away from your face during your workout. The flexible design adapts perfectly to the user's head, and the silicone coating inside prevents slipping. The set includes 6 headbands. Technical data: material: 62% nylon, 18% polyester, 12% silicone, 8% spandex circumference (without stretching): 44 cm