The APNEA 3Orca-Skin is made with Daiwabo21 neoprene sandwich structure. Material consisting of Multi-layer structure in sandwich composition. The first layer made of 1mm of Daiwabo 21 laminated with Orcaskin (more durable and water repel that smooth skin),the middle with a water repel super elastic fabbric. The third layer of Daiwabo 21 neoprene, The structure produce hight thermal protection,provides high waterproof effect,better compression resistence against water preassure.