Good news! Apple's new fourth-generation iPod nano Armband ($29) is, like its predecessor, almost entirely protective of the new iPod nano that sits inside. There's a synthetic material covering most of the device's body, a clear plastic on the screen, and a matte plastic on the Click Wheel; the Armband also continues to have an expanding bottom for use with the Nike + iPod Sport Kit, plus an adjustable, perforated, and breathable band for your biceps.…
