No matter what brand of famous and superior sunglasses, they all have the common characters. We can not give you the tip for the 100% assurance to define it is uv protected or not, but we still have some points for you to choose the right one. Firstly, the best sunglasses have the great anti-ultraviolet function which would prevent the 99% ultraviolet. Wearing such kind of sunglasses, your pupil will keep the same no matter indoor or outdoor, in dark or bright place. Secondly, it will be very clear of the vision when you wearing the real sunglasses, your eyes will be comfortable and relax. Thirdly, the real sunglasses will be strong and durable. However, as I know, the sunglasses are not the main products of coach brand, the famous one is leather products, such as attach case, shoes, wallet and so on. Hope you find the suitable sunglasses for yourself.