Built to go the distance. Trainer for iPhone and iPod touch starts with a wide, stretch armband that adjusts to fit arms up to 19 inches in circumference. A slide-ring adjusts the band to fit then holds it in place. Trainer has a lightweight windowed case to hold your device. The perforated case frame is backed with sweat-wicking neoprene, allowing airflow to keep things cool and comfortable. A transparent touch-through window lets you control your Multi-Touch display, so you can adjust volume, navigate playlists, etc. Keep your iPhone or iPod touch protected no matter what the trail or road throws at you, with Trainer. Griffin Trainer Carrying Case (Armband) for iPhone, iPod is one of many iPod & MP3 Cases, Skins & Clips available through Office Depot. Made by Griffin.