YMO Wood Sunglasses offer natural wood/bamboo in a shape. Each pair is completely unique and has its own wood striations. The lightweight wood has a comfortable fit that is durable and sturdy at the same time. Our unique stainless-steel, spring hinges are sturdy and designed to keep their shape year after year. The lenses are specially designed so that they are both dark and polarized, offering 100% UVA/UVB protection even in intense lighting conditions. These glasses are stylish, durable, and natural.