The classic sports style is a win win option for a training model. Boys swimming trunks are presented in dark colors and decorated with a dynamic pattern on the sides. The square shape is longer than briefs, but provides the same flexibility for unobstructed swimming. Made of durable Max Life Eco fabric and completed with an internal drawstring for a perfect fit. Max Life Eco fabric is responsibly sourced fabric. This textile, which has passed more than 200 hours of testing has maximum resistance to chlorine so you can be sure that your child s swimming trunks will last a long time.