It's time you met Xero Foam. As our finest expression of wetsuit innovation, this unique material out performs all other neoprenes on any level. Its oxygenated process creates a neoprene sponge that's softer, more flexible and warmer than its competitors. Featured throughout our entire Xero wetsuit line, you can expect your next session to be one of your very best. The 403 Chest Zip Xero Furnace offers superior warmth and is ideal for water temps ranging from 55 degrees to 65 degrees. Imported.