Combining science and speed for the performance swimmer. Working smart is an important as working hard. Constructed from optimum materials and based on the science behind swimming, Speedo Aqualab have worked with world-class Team Speedo athletes to create a range of ergonomically designed Fastskin training aids. The Fastskin Hand Paddles create water resistance forcing your arms, shoulders and back work harder, go faster and improve muscle tone and stroke technique.