NIKE Sport Strap The Nike Sport Strap is made with flexible material that molds to your body for a secure fit. The adjustable band and touch-screen compatible viewing window allow this strap to stay put and provide access to your music during a tough workout. Compatible with iPod Nano models Fabric: 52% nylon/32% styrene butadine styrene/10% thermoplastic polyurethane/6% polycarbonate Do not wash, Imported