The Speedo Avenger Water Polo Brief is made from the patented Speedo Endurance fabric, which is a combination of 60 percent polyester and 40 percent PBT to create a durable swimsuit that is comfortable to wear. This fabric is also resistant to fading, stretching and degradation from repeated exposure to pool chemicals, oil and body lotion. These swim team suits keep their color and are the perfect option for water polo players. The perfect suit to get you through the intense game of water polo. Speedo Endurance fabric, a new generation of durability and comfort exclusive to Speedo. Environmentally friendly fabric is highly resistant to fading, stretching, and degradation, even after repeated exposure to chlorine, bromine, oil or body lotion. Features: Superior shape retention Quick-drying, and 20 times more color resistant than standard swimwear fabric. Fabric: 60% Polyester/40% PBT.