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; Power TXcoat superior rubber coated abrasion; Neoprene on knee and seat; Helioflex quick dry thermal liner panels; Slik grip cuff prints; Relief opening fly; 90% Neoprene; 10% Nylon