Baleaf Men's Splice Jammer Fashion Swimsuit 80% Nylon / 20% Polyurethane Chlorine resistant and quick drying Elastic drawstring for easy adjustment Front lined for added protection Four-Way Stretch fabric provides a body-hugging fit, great shape retention and soft comfort Hand wash cold and lay flat to dry. Size chart was updated on Sep.9th, 2016, better go up 1-2 size than regular