With the development of society, many famous brands have the fake ones, including the maui jim sunglasses. Generally speaking, there are many ways that can help you spot the fake maui jim sunglasses. First of all, you can refer to the price you spend; as usual, the real maui jim sunglasses will cost you $100-$300, and if you just spend about $40 on the sunglasses, I think you should know they are fake. Besides, you can inspect the sunglasses carefully, then you can find some blemish on the frame and lenses of the sunglasses. If you are still not sure about it, you can call 1-888-666-5905 and tell them your serial No; the workers will help you find your wanted answer.