TuneBand for iPod nano 5th Generation (Model A1320, Rear Camera), Premium Armband, Compatible with Nike+iPod
I purchased the Tuneband for my iPod Nano 5G and have been very pleased with the fit and function.  First of all, the case itself has a nice flexible and cushioning feel to it and it is very easy to slide your Nano into and out of the case.  The armband fits nicely through the slot in the back of the case and it fits nicely on your upper arm or forearm for whatever activity you might be performing while listening to your Nano.  I also use a Nike+ which fits onto the bottom of my Nano for my workouts and the