Reduce the appearance of your bust up to 1 cup size, Eliminate back bulge with wide, smoothing back wings. 3 column, 2 row hook & eye closure; increases with size, Comfortable stretch microfiber. Mesh-lined underwire cups provide shape and lift Brand: Olga, Style Number: 35519. Cups: 82% Nylon, 18% Lycra.Sides: 90% Nylon, 10% Elastane.