I imagine that the same outfit would be so boring and null with a pair of black trousers that I (almost) wear everyday, so the white jeans came in really handy.
Pros: since it’s plain white without any holes, it pass for an office-appropriate item (still, don’t blatantly pass by your boss who is extremely strict on dress code); white adds brightness and makes you stand out in a crowd of black and greys.
Cons: you don’t really expect the white pants to be as flattering as the black ones, do you? Say farewell to spaghetti and ramen lunch, especially if you are someone who get as frustrated as I do when some suspicious colors splash onto the clothes and you cannot just change and wash it ON THE SPOT. Fun fact: I did have curry chicken rice as lunch today and my pants still remain intact – proudest achievement of the day!
Blazer: old, similar by Missguided