The Shark Splice Jammer Swimsuit features Endurotech fabrication, to offer long lasting durability and maximized resistance to chlorine. Built for competition, the Men's Endurotech Shark Splice Jammer outlasts traditional swimwear and its next to skin fit helps to reduce bulk and increase speed. Ideal for swim teams, clubs and competitive swimmers who want an edge. 53% Polyester/47% PBT.