Helmut Lang Zip Leather Legging in Black. - size 4 (also in 6) Helmut Lang Zip Leather Legging in Black. - size 4 (also in 6) A minimal aesthetic with a sense of luxury- Helmut Lang's Zip Leather Legging. Cut from buttery smooth lamb leather that molds to your curves, the pair sits high on the waist with an elastic waistband and finishes with zipper closures at the hem.. Self: 100% lamb leatherTrim: 100% cotton. Professional leather clean only. Exposed side zipper closure. Zipper closure at hem. 12 at the knee narrows to 10 at the leg opening. Made in Turkey. HLNR-WP2. K01HW208. 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.