You never know with amazon if it’s going to be a hit or miss. The first time I ordered this, I was sent the wrong item, but they got it right this time and man am I happy they did.
I did size up on this, based on the reviews and could probably have gone up 2 sizes.
Romper: wearing size large for reference https://amzn.to/2McaI7U
Sandals: wearing one full size up for reference https://amzn.to/2EEzIOQ