Offering all the features one could dream up, the Billabong Furnace Carbon X 3mm Boots are truly top of the line. Durable neoprene with completely sealed external seams and a traditional round toe design create the foundation of a dependable surf bootie. By adding performance features like a gasket style chimney to minimize water entry, an attuned flex arch and a thin, textured sole for sensitivity and reliable grip, the Furnace Carbon X Boots really step it up. Finishing details like a soft carbon fiber lining, a hearty pull tab, and an adjustable cinch strap seal the deal. Simply put, the Billabong Furnace Carbon X Boots are incredibly comfortable to sink your feet into.