Photochromic Cycling Glasses: These cycling glasses take photochromic technology, the lens automatically clearer or darkens in response to the intensity of the ultraviolet, change from clear to dark in sunny, effectively maintain a suitable brightness to protect your eyes.

Lightweight & UV400 Protection: All frames are made entirely of lightweight rugged TR90durable, scratch-resistant, and you won't feel discomfort even after wearing for a long time. All the lenses with UV400 protection coating, which can block harmful UVA & UVB rays to protect your eyes.

Built-in Myopia Frame: This polarized bike sunglasses have a built-in myopia frame, you can enjoy cycling or outdoor exciting sports even if you are myopia. And the glass frame with a soft silicone nose clip and flexible temples, which offer an exceptional fit for any shape of the face, provide a comfortable feeling to you.

Complete Accessories: Each of these cycling glasses supply accessories includes a glasses box, glasses bag, glasses clean cloth, myopia frame. Convenient for you to carry and storage.

Multifunctional Occasions: This sports photochromic glasses equipped with a full-frame design that brings a wider field of vision, also windproof, dust-proof. Perfect for cycling, riding a motorcycle, driving, skiing, baseball, mountain climbing, fishing, playing golf, hiking, tennis, boating, and other outdoor activities.