Reformation Canopy Dress in Blue, Size M but fits like S

Gorgeous off-the-shoulder minidress by Reformation in lightly textured blue print. Size medium but fits more like a small. I’m a 2/32C/25–26, and this fits me pretty well (usually 2 & XS/S in Ref). Older fabric; had to resew one side of Ref label. Otherwise in good used condition & freshly cleaned. Roughly 27” front center to hem and 14.25” chest (but w/plenty of horizontal stretch). So cute & such a pretty color. Please, NO RETURNS. Questions/offers welcome!