Photochromiclenscan adjust the transmittance through the discoloration of thelens,Lensesare clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight. So eyes can adapt to changes in the ambient light, reduce visual fatigue, and protect the eyes, keep the eyes always the most comfortable state. The photochromism of thelensis automatic and reversible.
PolarizedLens-- UV400 Protection blocks 100% of harmful UVA & UVB rays. Visually restores true color, eliminates reflected or scattered light. Polarized triacetatelensesare impact and scratch resistant, lightweight and durable!
Lightweight Wayfarer Design -- The Ideal For Driving, Running, Fishing, Motorcycle, Cycling Bicycle, Skiing, Climbing, Trekking Or Other Outdoor Activities Enthusiasts, and is suitable as high fashion accessory and daily wear all year round. It is also gift ready, making it a wonderful yet practical gift idea forfriendsand Family