Nike Metallic Women's, Hyper Violet, Size ONE SIZE. Keep hair in place: The Nike Metallic Hairbands let you focus on your workout with a comfortable stretch design that helps keep hair out of your eyes., Benefits: Durable, no-metal elastic band for a snug, comfortable hold, Gripper tape provides a secure, no-slip fit, Sold in a pack of three, Product details: Materials: 60% rubber 30% polyester 10% silicone, Imported: .