Whether you're racing for the podium or simply chasing friends, clear vision gives you the upper hand.The Smith Rhythm MTB Roll Offs come set up on a clear Rhythm MTB lens and ready for action. Just pull the tab to advance the film, and it's full speed ahead with a clear line of sight. They're compatible with the Rhythm MTB goggles and include two film canisters to keep you riding. Rhythm MTB goggles sold separately.