Attention: there are two types: Photochromic and Polarized types, please choose what you want to buy.

Features：

UV 400 Protection Lens, keep you out of ultraviolet rays;

Light weight and high strength impact resistance;

Stylish sunglasses for outdoor activity, comfortable to wear;

Protect your eyes from sand, wind and sun;

Great for surfing, cycling, hiking, driving, shooting, hunting, paintball, etc

Specifications:

The intelligent color-changing feature provides good light-transmittance and clear vision. 

Principles of discoloration: In ultraviolet light, the radiation will cause a chemical reaction that changes the lenses uniformly.

weight: 32g

Package included:

1* glasses  (according to you have choose)