Rick Owens Mountain FW2012 Black Ribbed Women's Sweater Size XS In VGUC

Rick Owens Mountain FW2012 Black Ribbed Women's Sweater Size XS In VGUC extremely rare sweater from Mountain collection. Content and size tag is cut off, feels like high quality wool or wool/cashmere confirm measurements for sizing, note that arm opening appear to be pretty small - about 12" all around note at the bottom inside grey stitching - not sure if it's by design or repair . either way not visible on outside shoulder to shoulder 20" pit to pit 17" length middle back 28"