Thick but the zipper is trash

I ordered a size up and it's far too big.. the only downside to that is you have to pay to return or exchange and you only get credit. They dont have the smaller size in stock So I decided to have it altered. Luckily it was very affordable. It has a lot of stretch so if you really know your size you don't need to order up. The zipper on the dress is hard to manage.