Complex sentence: These suits are full body coveralls, made with seven layers of Nomex fabric, which makes them resistant to fire, the term "Simpson Suit" refers to the main manufacturer of the suit, Simpson Performance Products.
Split into simpler sentences: These suits are full body coveralls, made with seven layers of Nomex fabric, which makes them resistant to fire. The term "Simpson Suit" refers to the main manufacturer of the suit, Simpson Performance Products.