Optic Nerve Switchback Sunglasses - Matte Black/Red Tips with Smoke/Red Flash Lens, additional Copper Lenses

The Switchback was made to perform. With double injection adjustable sleeve temples that cover a strong adjustable core, these frames are easy to adjust and stay on when you need them to.
Precision Optics that meet ANSI Z80.3 standards for optical clarity and impact resistance
TR90 Frame, Polycarbonate lens
Water, sweat, oil, and dust repellent lenses
Double injection adjustable sleeve temple and bridge design
Anti-fog vents and wire core for easy adjustment
Unisex design fits average face sizes