Arena most advanced and longest-lasting fabric, 100% polyester MaxLife suits are designed to deliver maximum comfort, range of motion, and chlorine resistance for the most demanding competitive swimmers, while maintaining superior softness, durability, and performance all season. Arena most advanced and longest-lasting fabric, 100% polyester MaxLife suits are designed to deliver maximum comfort, range of motion, and chlorine resistance for the most demanding competitive swimmers, while maintaining superior softness, durability, and performance all season.