In extreme heat and flames with a single layer of fire-resistant Nomex material - This second Firefighter Helmet is one of two styles. The space man type costume from popular science fiction films is great for costume designers. The suit is used for real life films in dangerous situations, where firefighters are needed to save lives in burning buildings. It is the true uniform for firefighters and can be purchased as such. Many of our firefighter supplies went directly to the World Trade Center on 9/11. We used every available avenue to donate to emergency workers at Ground Zero.