Wearing a large in this cable knit sweater outfit. I did not need to size up. Order your regular size. It’s already oversized. But what a beautiful quality set. I cannot believe the weight of the fabric it substantial it holds up beautifully and it makes a lovely relaxed, casual outfit. I wore it to the spa and I felt Appropriately dressed and could have worn it anywhere. Sold separately by vici LTKOver40 LTKFitness LTKFindsUnder100