Creating a classic appearance may be accomplished by wearing a blue sweater vest over a fresh white shirt and then pairing it with straight-leg trousers.
A sweater vest with a navy V-neck purchased from Uniqlo
Shirt: a white button-up shirt with a bulky fit (H&M)
Jeans: Levi's straight-leg jeans with a light wash condition
Brown leather shoulder bag (Mansur Gavriel) is the name of this bag.