This is THE suit for boat for commercial divers, rescuers and extreme divers. High density 7 mm neoprene, outside fabric reinforced triple weave jersey. All seams are double-taped to achieve a high-quality suit. Reinforced knees, one thigh pocket with ring for boats, reflective patches on the arms for safety. Latex neck (model with built-in hood), neoprene neck (model with separate hood). Latex wrist cuffs on all models.