53% Polyester, 47% Polyester Tunisia Machine Wash Made from durable aquatuff material designed to resist the damage from chlorine and sunlight (53% Polyester, 47% Polyester blended technology). Adjustable inner drawstring provides a secure fit. Fully lined to increase durability and decrease transparency. Brief cut is both fitted and comfortable which allows for full range of motion. Care instructions: hand wash in cold, fresh water after each use. Do not use bleach, detergent, or fabric softener. Hang to dry. If you're not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.