igadgitz Black Water Resistant Neoprene Sports Gym Jogging Armband for Apple iPhone 4 HD & 4S 16GB 32GB 64GB Custom made from superior quality neoprene with a secure adjustable fastner for iPhone 4 HD & 4S. iPhone 4/4S is fully enclosed with cut outs for the earphones and speakers. One size fits all. Fully adjustable for comfort. Minimum arm circ 25cm; Max 44cm. (Min: 10.2" Max: 17.3") iPhone sits in a plastic holder with access to all controls, including touch screen, volume etc. Water resistant, Storage for excess earphone cable. Perfect for jogging, cycling, gym, beach etc.