Speedo Fastskin Hand Paddle - Black/RedFEATURES Secure fit for an optimal stroke Hybrid of technique and power improvement Optimum balance of power and control The Fastskin Hand Paddle from Speedo was constructed from optimum materials and designed with world class Team Speedo athletes to create a range of ergonomically designed Fastskin training aids. It helps to create water resistance forcing your arms, shoulders, and back to work harder, go faster, and improve muscle tone and stroke