Griffin"s AeroSport Armband is the ideal (quite possibly perfect) combination of wear-all-day comfort and features that runners, walkers and athletes of every stripe demand. We start with a light, silky, flexible armband of super-wicking stretch fabric, cut wide so it stays put comfortably. Adjust to fit your arm, then clip the detachable iPod case itself on to the band. The case provides full screen protection for your iPod yet allows you complete access.