Klipsch has revealed a rugged variant of its popular S4i line of in-ear headphones. The new S4i Rugged shares a lot in common with the S5i Rugged and offers outdoor enthusiasts an option for listening to music on the go. It is weather resistant, with an extra-large remote control, all with a non-slip grip coating that will help to ensure users can enjoy high-quality audio without worrying about damaging them.