Brand: ROCKBROS
Color: Black Red
UV protection: UVA, UVB, UVC
Weight: 29 g

Lightweight & comfortable: only 29 g/ pcs, ideal for long time wearing. Ultralight sunglasses reduce the pressure on your nose and temples. Adjustable soft silicone nose pads fit your nose well for best wearing comfort.

Versatile: ROCKBROS photochromic glasses can be used for various activities, such as golf, cycling, driving, fishing, skiing, running, tennis, racing and other outdoor sports.

Safety: The lens of the sunglasses are made of PC(polycarbonate), and the material blocks 100% of UVA, UVB and UVC rays, as well as harmful blue light up to 400nm. And the frame of the sunglasses is made of TR, with super toughness, collision, wear resistance, anti-fog & high temperature resistance.

Photochromic Lens: Intelligent bike sunglasses automatically lightens or darkens in changing light conditions, without having to switch between glasses, and could well protect eyes from glare. Frameless design for clearer peripheral vision to avoid the frame blocking your vision.

Note: The speed of discoloration depends on the ultraviolet light intensity and temperature (when the UV intensity and temperature are low, the speed of discoloration will be slower).If you have any question, you can contact us anytime.