Speedo Junior Girls HyperboomA fresh iteration of the Speedo Hyperboom print has landed! The Speedo popular muscleback legsuit is back with splices of our new hyperboom print. The boyleg design ticks the training boxes with coverage, comfort and freedom of movement as standard. Body made of 80% nylon and 20% elastane (creora highclo). Body made of 80% nylon and 20% elastane (creora highclo). Enduraflex: nylon yarns made from 100% pre consumer waste, such as waste fabric from