NWT HELLO MOLLY HEAVY HEART BLACK DRESS size M Black mini dress. Lined. Cold hand wash only. Model is a standard XS and is wearing size XS. True to size. Lightweight, non-stretchy silk fabric. High-neck, halter neck. Invisible side zipper. Polyester. Feel the love with your stunning new piece this season. The Heavy Heart Dress will have you feeling yourself all night long with its stunning details. Feel a million dollars with the luxe silky fabric, high-neck halter neck feature, open-back cut-out and overlay to the front. Style yours with strappy heels and a matching cross-body.