Nathan SaferRun Ripcord Siren sunglasses offering support where you need

offering support where you need it and smooth

glass-like volcanic rock formed by the rapid solidification of lava without crystallization

Adjustability: Pullover

upper back and lower leg

Nathan SaferRun Ripcord Siren sunglasses offering support where you needThe Nathan SaferRun Ripcord Siren helps you feel safer on the run. It can blast sound at 120 dB and can be heard up to 600ft away when you pull the ripcord, acting as a deterrent or letting others know where you are. Introducing the SaferRun Ripcord Siren, which blasts sound at 120 dB and can be heard up to 600ft away. This tiny alarm system is a deterrent and can alert others in case of an incident. And you don't need to sacrifice storage to carry