Cressi Endurance Shorty Man 2,5 mm one piece double lined neoprene diving suit. Conceived for intensive use in warm waters. Heavy-duty YKK zipper . In the areas most exposed to wear on the part of the jacket, such as the abdomen and the shoulders, Xdiamond , a special neoprene ensuring superior resistance to abrasion, is used. Special neoprene also covers the back and the knees, which are subjected to high stresses.