Astro Biker Jacket,Men's Astro Leather Biker Jacket,Astro Biker,Helmut Lang AW99 Moleskin Astro Biker Jacket | Grailed,Helmut Lang Astro Biker Jacket Known for his utilitarian minimalist garments, Helmut Lang has been praised and heralded as one who designs clothes for the modern age. The Austrian-born designer's Autumn/Winter 1999,