Please note: 1. Photochromic glasses only change color when exposed to ultraviolet light, and exposure to other light sources will not cause discoloration. Moreover, photochromic glasses are not polarized lenses. 2. The TR material mirror temple are relatively soft, and there may be slight deformation after receiving. Correcting it by your hand will restore it to normal. It is not a quality issue. If you mind, please do not place order. Thanks for your understanding. Description: Frame material: TR Lens material: TAC Color: as show Gender: unisex Package Included: 1*Sunglasses Feature: 1-It is very suitable for motorcycles, bicycles, hiking, skiing, fishing, golf, driving, travel, etc. 2-Lightweight and portable, perfectly protect your eyes from wind, dust, and UV damage.