HAVE sheer polka dot collared blouse

HAVE sheer polka dot collared blouse. 9 to 5 perfection! Definitely will need a cami underneath! Very slight discoloration at pit. Longer at back than front. Fabric tag missing, feels like a polyester. Adorable silver buttons. Says XL but fits smaller, note measurements approx measurements laying flat: pit to Pit 22, across shoulders 17" chiffon Button Down Shirts