Yurbuds (CE Ergosport Armsleeve for iPhone 5 Arm sleeve is ergonomically designed stay in place with most arm sizes, comfortably for hours on end Developed for training in any conditions, the ultra-soft neoprene material wicks away sweat and moisture, providing a secure and comfortable fit Keeping your hands free and providing a comfortable and secure location to store your phone while exercising The slip-on neoprene case keeps sweat and moisture away from your smartphone or MP3 player