Style says allot about an individual. So why not show the world you are eco-friendly and do it in style with the AIRO.LIFE, eco-styling sunglasses? High quality handmade wooden sides with natural products from energy renewable resources. The natural fit is super comfortable with skin friendly materials. They also come with level 3 polarization and a lifetime warranty. We are also about offsetting our carbon footprint and then some, so for each purchase we will plant 5 trees.