X-METAL XX - Tanzanite - UV420 Polarized [XX-TN-POLA]

Tanzanite  UV420 Polarized Lens

It keeps all of the light out and can also reduce glare, also it is easy-to-use in all day-time activities.
Looking through the lenses is gray and it offers a natural view, you can use this lens for long time with no stress.
This is suitable for Running, Walking, and some other sports which no contrast view.

　★UV420 lens

The base lens of this item is "UV420 lens" with high quality Polarized function (Polarized degree over 99%).

This lens cut UVA, UVB and HEV (High energy visible light / cut until 420nm), at the same time reduce glare by polarized function.
It provide you comfortable sight you have never experienced, and at the same time protect your eyes from hermful rays.

Commonly, Normal sunglass lenses are only cut UV until 400nm, But this lens can cut more harmful sunlight(cut HEV until 420nm) than normal sunglass lens.

Please check the link below if you want to know more about UVA,UVB and HEV.

What is UVA, UVB and HEV?

<About Lens>

• Mirror : Purple / Red
• Light transmission : 11.72%
• See through : Gray
• Reflectivity : High
• Thickness : 1.6mm-1.4mm
• Material : Polycarbonate
• Lens curve : 8

<Function>

• Polarized
• Decentered lens (Prism correction function)
• UV protection 100% (UVA, UVB, HEV)
• Impact protection 
• Hydrophobic (Water repellent function)
• Anti reflection (Prevent reflection of light entering from the back side.)