ROCKBROS Ultralight Photochromic Sport Sunglasses

This sports sunglass is photochromic with UV400 protective lenses. It is stylised with rimless frame and is only about 24gram.?Great for Cycling, Golf, Driving, Skiing, Running, Tennis, Racing and Other Outdoor Sports

Features:

• Photochromic lens with UV400 protection
• Stylised rimless frame design and wider vision
• Scratch Resistant Coating

What is the photochromic lens?

Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight.

Transmittance: 80%-18% (80% is light?grey?colour?when in low UV, 18% is dark?grey?colour?when in high UV)

Product Specification

Material	Composite Frame + Polycarbonate?lens
Frame Type	Rimless Frame
Lens Size	65mm*40mm
Frame Length	143mm
Net Weight	about 24gram
Colour	Black Red, White Red, Blue Green

Package Included:

1* Intelligence photochromic lenses glasses
1* Portable pouch + 1* Glasses box
1* Glasses cloth