All backstroke masters have once been children who miscalculated and hit their heads on the edge. These adidas swimwear with a distinct compression fit help small swimmers feel safe when they focus on starts and turns. Chlorine resistant Infinitex Fitness Eco. UV factor 50+. These swimming trunks are made of recycled polyester to save on nature's resources and reduce emissions. . Tricot in 55% recycled polyester / 45% polyester. Nice and light material. Swimwear for fitness training. Elastic waist with internal drawstring.