Mad Wave Paddles ExtremeDescription The Mad wave Extreme hand paddles can be used as part of your your workout or training session to build shoulder strength and increase efficiency. The Extreme paddles have flow holes for increased sensitivity, allowing you to feel the water. The swim paddles have adjustable silicone straps to ensure superb fit across a wide range of hand sizes. The swim paddles should be approximately 10 percent bigger than your hand. If you use a paddle