Men's Wetsuits billabong furnace comp €420.00 The 4/3 mm Billabong Furnace Comp is Billabong's premium men's neoprene in 4/3 mm: Furnace Carbon + Graphene Recycler lining, AX1 Airlite recycled core, full internal sealing, and Hydrolock chest zip. The reference choice for full Mallorca winter. Add to cart