This dress is a small. Size down for the dress. It does have a side zipper and a side slit. It is not stretchy. The cardigan is on clearance right now at Tillys. I am not able to link it as is not on LTK. Valentine’s Day outfit Floral dress Silk dress Wedding guest outfit Bridal shower dress Brunch outfit Combat boots LTKWatchNow LTKParties LTKFindsUnder50