The ultra-soft and incredibly comfortable Massif® Flamestretch® Pant made with DuPont™ Nomex® brand fiber is Massif's warmest layering option.Designed to be an insulating layer worn over Cool Knit® and/or HotJohns® garments. Flamestretch® fabric is highly breathable while trapping heat to keep you warm and comfortable. Constructed with DuPont™ Nomex® brand fiber, the first flame-resistant fiber selected for use in military uniforms.Nomex fibers carbonize and thicken when exposed to the intense heat of a flash fire, creating a protective barrier that reduces or prevents burn injuries. When operating in cold conditions, the Massif® Flamestretch® Pant is the ideal choice.Product Features: Full flame-resistant construction with proprietary Massif® fabric 4-way stretch Excellent moisture management High warmth-to-weight ratio Breathable Ultra-soft interior Designed to work with the Massif® Fire and Ice™ layering system All fabrics pass the stringent ASTM D6413-F2302 performance specification for flame resistance Approved by NAVAIR Authorized by the United States Coast Guard USAF Authorized Safe-To-Fly Product Downloads Flamestretch_2020 Size Guide
