The fully sealed O’Riginal full wetsuit checks all the right boxes. Classic style paired with modern technology and the best fit in the industry. F.U.Z.E. Front Upper Zip Entry (chest) uses the same technology as our patented Z.E.N. Zip entry with train holes to keep you dry and feeling loose. Ultralex Neoprene: Ultra Stretch, super soft for superior feel, flexibility, durability and high performance. Smoothskin Carbon Firewall: The interior thermal lining absorbs body heat and retains it. The Smoothskin exterior sheds water and reduces wind chill.