Shoes (in 5 colors, also wore this outfit with these new slides). SuedeTrench: BR c/o (also love this suede trench dress from Olivia Palermo's new line). Bag: Gucci (also in a smaller size here and in a red/pink combo here).
If you're going to finally splurge on a designer bag, you might want to purchase a bag that you know is iconic and will last through the years in terms of both style and quality. Here's a list of iconic bags that will never go out of style: