Exquisite Form Plus Size Stretch Lace Sleeveless Long Gown (70807). The Exquisite Form Plus Size Stretch Lace Sleeveless Long Gown 70807 has no-wire lace cups lined with soft knit fabric in solid colors and a full fit with breathable comfort. Exquisite Form's Plus Size Stretch Lace Sleeveless Long Gown is made of nylon/spandex.