Descriptions:
Aluminum and magnesium metal frame
Shatterproof Polycarbonate lens
UV 400/mirror flash coating and polarized sunglasses

Features:

The glasses are designed for driving cycling etc. Fits all outdoor activities.
Only one len, it is UV400 polarized lenses against strong sunlight.
Night version glass For Men Unbreakable Metal Frame Eyewear
Good choice for bicycle riding.

Specification:
Lens Width: 64mm/2.5"
Lens Height: 38mm/1.49"
Glass Leg length: 135mm/5.3"

Package include:
1 x Polarized sunglasses
1 X Clean Cloth