Seirus Innovation Neofleece Comfort Masque fleece Comfort Masque uses patented technology from Seirus Innovation Neofleece Neofleece is an exclusive design created to be the warmest insulation in the market today Neofleece uses a five layer defense to keep you warm: tough outer shell, DryHand waterproof/breathable liner, Neofleece (fleece lined neoprene), Thermolite synthetic down insulation, and wicking microfleece lining The Comfort Masque is wind/waterproof, top contoured to seal under goggles, and has large central breathing holes for increased ventilation Includes adjustable Velcro closure to ensure a comfortable and snug fit