USMC Issued FROG Cold Weather fire resistant Silkweight Pant Military Issued USMC FROG (Flame Resistant Organizational Gear) Cold Weather Silk Weight bottom pant was made as part of the cold weather clothing system. This is a base layer designed to be worn next to the skin to wick preparations and keep your warm. They should be worn snug, and they are very comfortable to layer over with the military issue grid fleece if needed. USA made and manufacture to resist sparks and not melt from sudden blasts of high heat making them great to wear in the camp or cabin. Features & Specs FROG (Flame Resistant Organizational Gear) Military issue Silk-weight base made to layer or use alone Wicks and dries quick Antimicrobial V2 2 pairs same size