Soft and lightweight, the Drifire FR Moisture Wicking Long John Pants are constructed from a fabric that has superior wicking and fast-drying abilities that work to regulate body temperature. With built-in antimicrobial odor control and no-melt, no-drip flame resistance, it is sure to be your new favorite base layer. Combat tested and battle proven by the world's elite war fighters, firemen, and extreme outdoor adventurers.