From the information given by the observers, she is once spotted to wear a pair of Rayban Aviator sunglasses. However, some people see that Kendall Jenner is wearing the Ray-Ban RB4125 tortoise Cats sunglasses. Whatever the sunglasses she wears, she looks so beautiful and modern in the public life. When she wears the sunglasses, she looks so cool and has the model style. A lot of fans follow her style and her wearing sunglasses.
Well, it seems that you like kendall jenner quite a lot. So, as far as I know, kendall jenner is one of the most famous models in the USA. Actually, she has originally got a pair of black eyes which makes her like a black pearl. Anyway, sometimes she would like to wear aviator sunglasses, which are popular in the USA. You can find lots of aviator sunglasses at Walmart, hope this help you.
Regarding to your question, I've searched and I can not find any answers to your question. But from the appearance of her eyeglasses, it is a pair of black rectangular eyeglasses. In fact, the eyeglasses are very common in the market. But it looks great and cute on her. If you love it, you can easy to find the black eyeglasses. You can have a try before you buy them. Good luck.