1. Unique design lens with 180 degree extensive view of lens.
2. Suitable for prescription user.
3. Non-toxic PVC frame.
4. Adjustable elastic band and angle adjustable hook.
5. Frame body with sealed or indirect vented.
6. Compliance ANSI & CSA standard.
1. Width: 176mm.
2. High: 78mm.
3. Lens central thickness: 2.3mm.