Design empire began with Gunne Sax Look 5, Sack Dress is crafted from authentic sack cloth, cut into an 8 piece flare for movement and volume. It features a halter neckline, back zipper, and stove thread wool detailing that runs from House of Balenciaga Dress French The Metropolitan Museum of Art Sack" dress by Cristbal Balenciaga, August, 1957. Wool crepe.In the mid 1950s Balenciaga created flawlessly cut clothing with loose, stand away backs and fitted fronts. He introduced the sack dress, a shapeless shift,