Neil Pryde Elite Mens 5/4/3 L/S Steamer LargeTall S5 Speedskin features a hydrophobic Titanium alloy coating with low friction surface. S5 shreds water 5 times faster than conventional materials. Eco Friendly Bioflex is made from Bamboo and Charcoal and is therefore 100% eco friendly. Inherently it is ant bacterial and odor free. Zirconium yarns are used for the first time in a wetsuit. Zirconium yarn absorbs heat radiated from the body and slowly releases over time.