Special Occasion So striking and effortlessly elegant, the Allegra satin formal dress is designed with pretty details from the lace-up back to the high side slit. Fit & Features Stretch satin fabric, bust knit lining V-neckline, padded bra cups Lace-up back, lower zipper and hook-eye closure High side slit A-line silhouette Floor-length hem Runs true to size Where to Wear: Prom, formal weddings, bridesmaids, black tie parties, galas, fancy milestone celebrations