I like this idea - wearing the main dress with or without the overdress. Useful for when it& absurdly hot out and you gotta cut back on layers!

sew a yoke on a viking tunic tutorial - Google Search

Rich Viking Coat - Red wool and grey striped linen. It is entirely lined, thus entirely reversible. Inner seams machine sewn, outside seams (all the edges) hand sewn. by ~Symbelmune on deviantART