Ugh, that's awful! I can't believe they switched it up mid-sale like that.According to the CS rep I spoke to, they will. Anything purchased on the last day of the 30% off sale is final sale. Sorry your items didn't fit. I wish that they'd post the measurements of each and every garment on line. That way you'd have a better chance of ordering the right size and they'd have fewer returns. Surely a big company like J crew has the resources to do this. Wishful thinking on my part.
For the future, if you call the customer service line, you're able to get measurements of all garments. In the spring, I was tentative of sizing down in a jacket on final sale, but I called in and compared to that of a jacket I already owned.
I think their vanity sizing, specifically in tops, is getting much worse. I have been the same size for about three years now and where I used to take either a medium, large or 10, I'm now a strict medium in everything and an 8