Mares Apnea Instinct 50 Lady's JacketApnea Instinct 50 Lady's Jacket The INSTINCT 50 freediving wetsuit women's jacket is made of 5 mm neoprene. The inside of the jacket is in open cell neoprene while the outer layer is lined in black . Each neoprene cell clings to the skin, drastically limiting any infiltration of water. The cross section gives this suit a high level of softness and remarkable comfort. The outer part of the suit is lined and gives good resistance. The jacket was