Expandable Cups for comfort & fit! Lacette jacquard knit fabric made of 70% nylon, 30% Invista® Lycra® with two-way stretch in a special lace floral motif. Features: Flat nylon lace cups lined with compressed fiber fill. Hidden undercup stretch allows total body movement. Shapes like an underwire, without the wire. Support bandeau. Flexible spiral boning for back support. 2" bottom elastic support. Flat sewn seams.