Genuine issue Extreme Cold Weather Trousers. Color: Gray. Made with Pirmaloft insulation technology that is fast drying, breathable, lightweight, water-resistant and provides superior warmth. Designed for use during static operations in extreme cold and dry conditions. The outer shell fabric has a water-resistant finish. Includes thongs on zippers to make them easier to use when wearing gloves. These pants have nylon-reinforced knees, full-length side zips, an elastic waist with suspender loops. Made in the USA!NSN numbers include 8415015386695, 8415015386704, 8415015386706, and 8415015459907.