XTRATUF dipped neoprene footwear is triple-dipped to create a seamless coating of rubber that is highly resistant to many organic and inorganic chemicals. Vulcanizing further seals and strengthens this superior watertight material. Neoprene Latex Rubber Neoprene latex rubber is softer, lighter and far more pliable than ordinary rubber, making neoprene boots more comfortable and flexible. Hand-layered construction allows flex and strength at critical stress points.