The Billabong Furnace Polyprop SS Rash Vest is available in Black. The Billabong Furnace Polyprop SS Rash Vest is available in Black. Main features include: Heavyweight 8oz Polypropelene / 8oz Lycra, Flatlock/overlock combination seams, Thermal Lining, Boardshort Connecter, Lycra bong seals.