Arena Evolution Boys Jammers The Arena Evolution boys blue jammers have a subtle side panel which twists around the front of the thigh for a smart, stylish look. They are perfect for regular traiing or away on holiday.They are manufactured using MaxLife material which is ideal for the regular swimmer. MaxLife provides long-lasting comfort and performance through its innovative and superior quality fabric. This combination of materials provides extraordinary resistance to chlorine and provides excellent UV protection. Consequently it is perfect for sunny locations. The material moulds to the body, provides a superb fit and allows the best freedom of movement. The MaxLife matreial is also particularly smooth to the touch. Without reservation a great pair of jammers.