Not all boots are the same…. The Psycho Tech boot is designed to keep your feet warm and flexible in even the coldest conditions…. Featuring Technobutter 3 neoprene for the benefit of a great ergonomic fit and extra warmth from O’Neill’s TB3 Firewall lining, internal seam taped seams and external fluid weld seam. Arch support and foot straps combine with our O’ring seal to reduce the amount of water entering the boot keeping your foot drier and reducing movement when surfing….