This elegant green dress is perfect for any occasion. Its stylish design and comfortable fit make it a must-have for your wardrobe! 3XL smocked dress: will fit a 4XL or maybe a 5XL because the entire top of the dress is smocked and very stretchy. I’m a true to size 3XL and i felt like i was swimming in this dress. the listing is no longer available on Ivy City Co so I can’t give exact measurements.