If stretch is your priority, the Billabong Furnace Revo is where to start. Built on the Revolution Natural platform and constructed with Airlite 4D stretch fabric, the Furnace Revo delivers best-in-class stretch for a suit that truly feels like a second skin in the water. The Airlite 4D exterior is 100% neoprene-free and made from recycled materials, offering over 20% more stretch than conventional fabrics while keeping the suit lightweight and quick-drying.