Venezia Vitale Women’s Black Geniune Leather Lined Coat Size CO I’m not sure what size CO is but it is a Plus size/Big/Tall coat. Please refer to measurements for more details. This coat is absolutely gorgeous and buttery soft! It is is pristine condition with the exception of a tiny pin size hole that is shown in the pictures. It is not noticeable except up close. This coat is nicely lined for warmth and comfort perfect for formal wear or casual.