Barbour makes my favorite quilted jackets since theyre timeless, but you can find more budget-friendly options, like this jacket from Tuckernuck
Design: Soft gathered tie-front neckline, dramatic draped sleeves with open underarm slits, elastic cinched waist, asymmetrical hem with ruffle trim
A shirred neckline, full sleeves and button front give this dress a versatile and lovely vibe
Some brands offer specific "short sleeve" undershirts designed to stay hidden under dress shirts.
If she has been through a wedding herself, she can bring first-hand advice and will be able to silence your fears
Lattice Lacing (Decorative & Fashion-Forward) Thread laces horizontally through the bottom eyelets, cross ends diagonally over the tongue, then thread each under the opposite side's next eyelet