inputs.text: great running sleeve - sleeve inexpensive sleeve simple use also lightweight not bulky holes headphone jack four corners versatile clothneoprene portion holds device stretchy probably fit number devices put ipod touch 2g put iphone 4 bit snug fits nicely carrying id card even hotel key card slip iphone neoprene cons think 1 jack holes neoprene portion case not exactly aligned iphone 4 ok makes case versatile still fit move neoprene cloth bit 2 plastic sometimes not adhere closely phone places sensitivity touch phone diminished found case not snug fit example happened ipod touch not iphone 4