I just search online and find that most of sunglasses wear is in dark lenses. And i see he worn aviator sunglasses wayfarer sunglasses and black rectangular sunglasses. And those sunglasses makes him look cool. So, if you want to be cool like harry styles, you can try such black sunglasses. And maybe you can go ray ban store to buy black aviator sunglasses or wayfarer sunglasses.
Sorry, I don't know the exact brand of sunglasses harry styles wears. You could just base on the picture that he wears and find the similar type online. From the online store, you will find that the price is suitable and the quality is durable. If you have interest on this type, just find the similar one.
Well,as a matter of fact, the type of sunglasses he likes to wear is called aviator sunglasses. Personally speaking, I find them pretty handsome looking and amazing. In fact, there are many places for such sunglasses. Maybe some local stores and got lots of them in stock. However, if you visit some website such as Ebay and Best Buy where you can find an awful lof sunglasses.
I 'm really not sure which sunglasses you mean,because he have worn several types of sunglasses.However,I still have suggestion for you to get the one you want which is buy it online.
First of all,you need to land on the online shopping web,like ebay and amazon.
Then you can input"sunglasses harry wears".
Shortlist the sunglasses listed ,then pick the perfect one you like.
It seems that he like to wear sunglasses in dark lenses. Also, i saw his picture online that wearing a pair of aviator sunglasses and wayfarer sunglasses. And those sunglasses makes him look really cool. I don't know what brand he worn, but they are aviator sunglasses and wayfarer sunglasses. You can search some similar sunglasses online if you like it.