Sheer Mesh Underboob Dress Purple L/XL from Magic Silk Lingerie. L/XL, large to extra large fits ladies dress sizes 12 to 18. From the Exposed by Magic Silk Collection, this style includes: a slip on style dress featuring non-restrictive design, an underboob cutout in the front, a cutout open back with a matching crotchless G-String Panty. Magic Silk Women’s Sexy Lingerie. U.S Lingerie Company, Ladies Intimate Apparel.