1 mirror frame legs made of high strength alloy. whole compressive deformation resistance. 
<br />2  using the third generation TAC HD lens Polaroid polarizing lens wearing not explosion-proof. dizzy. polarized lenses real .
<br />3  the lens explosion-proof effect: ordinary lens rupture will cut the skin and even other glasses were injured. Absolute explosion protection. 
<br />4  the overall frame does not press the face? wearing comfortable. Mirror legs angle moderate.normal wear does not fall. 
<br />5 Item includes:1* Sunglasses ONLY!!!!!!!!!!!!!!!!!!!!!!!