Train hard in Eco fabrics.Train hard in Eco fabrics. Featuring a dynamic multi-colour print inspired by movement and soundwaves, this streamlined black Jammer is perfect for sets and drills. A drawstring waist and V-cut panel with integral support provide a comfy, secure fit so you can focus on your training. Better for the environment, our new shape-retaining Speedo Eco EnduraFlex fabric is made from recycled yarns and includes CREORA HighClo so it fits like new for longer.