Helmut Lang Reflex Leggings in Black 91% viscose 9% elastan. Made in USA. Elastic waist. HLAN-WP57. G07HW213. About the designer: Established in 1986, Helmut Lang is one of the fashionâs most influential brands, known for its pioneering minimalism, engagement with artists, and surprising challenges to orthodoxy. Today, the brand taps into its rich legacy, continuing the progressive spirit through a new generation of creatives constructing essential wardrobe elements with innovative detail, understated sex appeal and perfect fit.