Baleaf Men's Swimming Briefs Trunks Stripes Style 80% Nylon/ 20% Elastane Chlorine-resistant fabric offers the longest lasting swimwear and will not stretch after countless workouts Low moisture absorption, lightweight and quick dry resists sagging, fading and snagging 4-Way Stretch providing a body-hugging fit,great shape retention and soft comfort Drawstring for pure decoration. Hand wash in cold water There might be a little color difference due to the monitor, camera or other factors. Size chart was updated on Sep.9th, 2016