Microfibers in textiles refer to sub-denier fiber (such as polyester drawn to 0.5 denier). Van Tongeren is a holocaust denier. However, Singer characterizes himself as a "skeptic" rather than a "denier" of global climate change. Some mainstream Holocaust historians have labeled Mayer a denier. Von Brunn was a white supremacist, Holocaust denier and neo-Nazi. Icke has rejected the assertion he is a Holocaust denier. Invictus has been identified as a Holocaust denier. Roeder was a prominent Holocaust denier. Staple fibers range from 1.5 to 15 denier and are mechanically or chemically crimped. Chaired by the Swiss Holocaust denier Bernhard Schaub. Mandel also notes that Benjamin is a holocaust denier and anti-vaccination. Horst Mahler, a founding RAF member, is now a vocal Neo-Nazi and Holocaust denier. As a young man, he gained publicity as a Holocaust denier. I'm not a global warming denier.