SlimShell"s tough, lightweight polycarbonate provides total body protection without added bulk. Now for the Sport part - slide SlimShell into the included armband to keep your iPod nano close and secure while you workout. Simply remove it when you"re done to use SlimShell as a great everyday case* Hard-shell polycarbonate case adds strong, streamlined protection* Removable sport-ready armband included* Access to all controls and dock connector* Surface Shield included for invisible screen protection