We went into the Area 52 lab and developed the next generation in superstretch neoprene:
Ultraflex™ XDS - the most gumballistic and insulative neoprene available. Combined with O'Neill's exclusive Double Fluid Seam Weld, the Psycho II is the only choice for the surfer seeking the most advanced cold water technology available. Ask your doctor what a Psycho II can do for you
