Our training aids are designed to help you get the most from your swim workout. Each training aid works a particular part of your body, so you can focus on increasing strength, stamina or tone where it suits you. Adding buoyancy to your swim, the kickboard isolates the lower body so you can focus on your kick technique, improve your leg strength and build power Features: Isolates the legs to develop leg strength and kick technique. Kick in burst at maximum effort for power and speed. Kick at a steady rate for muscular endurance. Press down on the kickboard slightly to engage the upper body. Keep your kick underwater for max propulsion. Align your body by keeping your head down. Material: EVA