MONTEAU textured knit dress/cut out back

Cute dress from Moneau /Anthropologie size reads L but this is VERY small so please go by measurements!!!! This is why I listed it as a S It does have a lot of stretch gathered higher elastic waistline pit to pit-15.5 12.5 across waist length from top of back neck=32 24.5'' long on side under armpit super condition/hardly worn/non smoker cute cut out open back design