In extreme heat and flames with a single layer of fire-resistant Nomex material - This second Fire Fighter Helmet is one of two styles. The space man type costume from popular science fiction films is great for costume designers. The suit SKU # bcm012 is used for real life films in dangerous situations, where fire fighters are needed to save lives in burning buildings. It is the true uniform for fire fighters and can be purchased as such. Many of our fire fighter supplies went directly to the World Trade Center on 9/11. We used every available avenue to donate to emergency workers at Ground Zero.