The adidas miCoach Armband from Griffin Technology is a workout band worn designed especially for the miCoach training regimen and fits the iPhone 5 and iPod touch 5th Generation. It's worn around your bicep and held in place by a buckle. The nylon material helps wick moisture while you're exercising. The unit features a moisture-resistant touch-through screen protector. There are ports that accept your headphone or headset and the adidas miCoach CONNECT heart rate monitor. For added convenience, there is a built-in key holder.