Speedo Tech Paddle is designed to refine your swimming technique and enhance your stroke efficiency. These paddles are perfect for technique-focused sessions, featuring flow holes that boost your water sensitivity and a distinctive airfoil shape that aids in improving your hand lift motion. By adding resistance to your swim, the Tech Paddle encourages your upper body to exert more effort, making it an excellent tool for building strength, power, and endurance. Hydrodynamic design ensures optimal water contact Flow holes increase water sensitivity and improve hand lift motion Enhances arm strength by increasing resistance, working your back, chest, shoulder, and arm muscles Helps perfect your pull technique for a better stroke Dimensions S: 18 x 13 cm M: 20 x 14,5 cm L: 22 x 16 cm