Helmut Lang Slash Slip Dress in Black. - size 4 (also in 2, 6, 8, 12) Helmut Lang Slash Slip Dress in Black. - size 4 (also in 2, 6, 8, 12) Self: 93% silk 7% elastane Lining: 100% polyester. Made in China. Dry clean only. Partially lined. Hidden side zipper closure. Adjustable shoulder straps. Lightweight flowy charmeuse fabric. HLNR-WD56. N06HW607. Helmut Lang is best known for his minimalist and simple approach to fashion design. In 1979, The Austrian-born designer launched his eponymous fashion line in Vienna. In 1980, he moved headquarters to New York and began selling garments in upscale department stores and signature Helmut Lang stores throughout the world. Although Helmut Lang is no longer a designer with the company, the label still produces looks with the signature minimalist style.