Billabong Furnace Thermal Hooded Vest The Billabong Furnace hooded thermal vest is the perfect garment to be worn inside your wetsuit in the coldest of winter months. The thermal polypro material traps body heat thus keeping you warmer in the water for longer. The attached hood also ensures that you don't lose body heat through your head which is perfect when the water is really cold. Enjoy your water sport more throughout the year with the thermal hooded vest from Billabong. Materials:6Oz Vapour Mesh 50+ Upf Protection Construction:B- Lock Super Flex Stitch Block: Billabong Furnace Hooded Thermal Vest 2019 - Black