1. Extremely tough item, design for multiple purpose such as tactical, sports, sunglass and so on.
2. High density polycarbonate lens.
3. Temple and strap shiftable.
4. Lenses changeable function.
5. Removable internal face foam frame.
1. Width: 138mm.
2. High: 43mm.
3. Lens central thickness: 2.2mm.