Very easy to work with.
Very easy to work with. Read more
Polyurethane: As an alternative to hard plastic| Polyurethane is soft| comfortable and flexible material| it promotes safety in case of impact as the frame spreads and absorbs some of the impact energy instead of transmitting it straight to the face. Polycarbonate: Polycarbonate is lightweight| comfortable| impact resistant| and provides UV protection. Lenses X-POLAR with Dual Layer AntiFog double layer system to prevent fogging with UV-400 protection