Continuous innovation brings an unparalleled level of heat to the Furnace Wetsuit Boot. The warmest wetsuit accessories in the world, our top shelf wetsuit bootie is backed by Furnace Graphene. Innovative graphene wrapped yarns combine with carbon fibers for a wetsuit that is lighter, stronger and warmer for longer. The pinnacle of wetsuit technology, Furnace Graphene is 50% lighter than traditional hollow fiber liners and 200x stronger than steel. Graphene lining and a thin yet durable sole design combine for a lightweight, ultra warm boot that offers a close board feel. A newly slimmed-down fit and ultra thin sole offer up incredible dexterity and a barefoot feel.