Combination Fine 4/5/3 mm Mesh and Métalite glide + Plush Titanium. Stick-bent, new ultra Neoprene elastic and flexible, bellows with the tight ankles with evacuation of water, sleeves smooth wrists, bellows in the back to stop absolutely very entered of water, collar doubled of will lycra to avoid irritations of the skin of the neck, thick reinforcements out of PU with the knees, ZIP YKK out of steel, reinforcements patch thermocollés inside with the junctions of seams… A superb combination, very top-of-the-range, intended for windsurfers!