Eileen Fisher BNWT stretchy tunic w/keyhole back & side vents oversized

Gorgeous elegant light blue/ gray round neck tunic great drape. Stretchy, minimalist coastal elegant and versatile. Even sleeves have pretty buttons and keyhole back. Marked XS but runs more like M. Material is viscose/ elastane. Extra button for keyhole back included. Pit to pit 20” before stretch and shoulder to hem front 28” back 29”. No flaws.