ZenTherm Skiff Suit features strategically placed insulating panels which paired with a waterproof construction keeps you warm and dry to push further, for longer.Thermal protection technology; Solvent free Neoprene using water based technology; 4 way stretch; Zoned Neoprene technology; 3mm Neoprene; Glued and blindstitched construction with critical neoprene taped seams; Water repellent plush lining for extra warmth; Slik grip cuff prints; 90% Neoprene; 10% Nylon