EP750 OTG Extra series has a large size lens to fit over all prescription eyewear. They have an ergonomic design with a Flexi-Fit adjustable soft nose piece for a comfortable fit. They are equipped with an angle adjustment for better fit. They come with a unique EZ-ON temple system for more stability even in sweaty environments. Lenses are treated with the exclusive 4A coating (Anti-Scratch, Anti-UV, Anti-Static & Anti-Fog). The EP750 OTG Extra series protects against dangerous UV rays.