Thermal protection technology; 4 way stretch; Solvent free; Neoprene using water based technology; FireCell zoned air technology Neoprene; 3.5mm Neoprene; Glued and blindstitched with internal taping; Thermogrid plush linings for extra warmth; Glideskin neck seal; Slik grip cuff prints; 90% Neoprene; 10% Nylon