Nike Vapor Headphones and Sport Kit Case - Bundle Nike+ Sport Kit Carrying Case: Padded divider to fit iPod nano, sensor, and receiver, Clear plastic card sleeve on back of divider, Spool to keep headphones organized, Water resistant. Nike Vapor Adjustable Sport Headphones: 3-way adjustable - Enjoy a snug, personalized fit and optimum stability, even when you're active or on the move. With three-way adjustment, your comfort is guaranteed. Lightweight design - The durable, lightweight quality materials enhance comfort for extended wearing. Sweat-resistant ear cushion