Let me start by saying I love the styles and prices at Romy and I will absolutely shop there in the future.
That said, I have a couple caveat emptors:
1. Plan on re-sewing all your buttons. Almost every button on my garments from Romy have fallen off or loosened within a month of owning them - including a couple that fell off the first day I wore it!
2. Ditto for pocket linings. I've had to stich up a couple pockets now. This is mostly due to the delicate nature of the fabric they choose for the linings. Silky linings in pockets do not play well with keys.
3. Pants come in sizes S/M/L, not numberical sizes. This causes no end of grief for me because not a single pair of their beautiful pants have fit me.
4. Coats and jackets are sized on the small side. It may be the style of the garment, but if you have broad shoulders - you're out of luck.