Armband for 3rd generation iPod nano when connected to Nike + iPod Sport Kit receiver Specifically designed to fit 3rd generation iPod nano & a connected Nike Plus iPod Sport Kit receiver Ultra slim, lightweight, comfortable neoprene design Holds iPod nano 3rd generation right side up or upside down so screen reads right side up when viewed on arm Full navigational control through clear, protective window Securely stores and manages earphone cord; Adjustable armband fits arms 8" to 16" and an Armband Extender is available for larger arm sizes (see EX3)