Built-in bottom bump padding that lifts and shapes Support without the wire Seamless for a smooth silhouette. Soft and smooth stretch fabric Front adjustable straps, ribbed bottom band, smoothing ballet back 3 column 3 row back hook and eye closure 39 Hooks: 34-38B, 34-36C, 34D 3 hooks: 40-44B, 38-42C, 36-40D, 36-38DD