The Avenir Airflow cycling glasses are a lightweight pair of sunglasses with a sculptured frame & one piece lens. Benefits from one piece lens that is inter-changeable for all year cycling. Lenses including transparent, dark & orange tint. All lenses come with an anti-fog coating. Arms are with anti slip rubberised grippers & the nose brdige is ergo moulded rubber. Great for recreational cyclists & commuters. Comes with durable EVA protective pouch.