The Pinnacle Of Technical Innovation In A Wetsuit. -JAPANESE INNOVATION -" Progression Is Our Obsession ! "Unparalleled in heat and flexibility, the 3/2mm Billabong Furnace Carbon ultra-is the pinnacle of technical innovation in a wetsuit. Stay warmer with incredibly efficient Japanese carbon fiber thermal jersey, maximizing heat without adding weight or restricting movement. Stay drier with a Drymax entry system, eliminating water entry. Stay flexible with optimal seam positioning and strategically placed 3D panelling. Combined, the Furnace Carbon ultra-delivers unmatched levels of heat and performance.