The Billabong Wetsuit 403 FURNACE COMP CZ is the perfect wetsuit to keep you warm and dry even in the coldest of waters. It is made with 4mm of FURNACE COMP neoprene and glued and blindstitched seams that are designed to keep the water out. It also features a chest zip entry, a reinforced spine, and a contoured collar for greater comfort. This wetsuit is designed to give you the best protection in extreme conditions.