Constructed of high stretch neoprene 5mmnDesigned And Created Using Innovative and Patented Manufacturing TechnologynGlued and sewn seams prevent water entrynAlways A Comfortable FitnPioneer In Water Sports Since 1946nHood for Cressi Castor Lady Wetsuit, constructed of high stretch neoprene 5mm.Designed And Created Using Innovative and Patented Manufacturing Technology.