The Nike Hairbands are made from durable elastic and silicone grips to help keep your hair out of your face so you can focus on giving your all.Features:Benefits:- Secure elastic band stays in place while you move.- Added silicone grips your hair to keep strands out of your face.- Durable elastic keeps its shape.Specifications: - Circumference: 43cm approx.- Width: 1cm approx.- Materials: 61% nylon/24% elastane/15% silicone