1. Flame prove frame & elastic band.
2. Sealed vented body.
3. Anti-fog and anti-scratch treatment lens.
4. High density polycarbonate 2.75mm lens.
5. RX insert available.
6. Compliance ANSI, MIL43511C standard.
1. Width: 190mm.
2. High: 75mm.
3. Lens central thickness:2.75mm.