【SPECIAL PHOTOCHROMIC DESIGN】 This photochromic lens are based on the intensity of sunlight and ultraviolet light, darkening the light grey lens. What’s more, these sunglasses protect the eyes without interfering with your perception of color. Plus its fashion rectangular design, always match your daily dressing demand(may not change very obviously under weak UV conditions)
【UV400 POLARIZED PROTECTIVE LENS】 These sunglasses are superior to the regular type of sunglasses in three ways - when moving indoors or outdoors, the lenses adjust to the reduced light conditions automatically. And secondly, the polarized lenses reduce flare and glare. Meanwhile, 100% UV protection layers against harmful UVA/UVB Rays