Take your underwater exercises to the next level with the Speedo Hydro Shredders Swim Workout Gear. This clever swimming workout system helps to build your muscles even more in the water. The Hydro Shredders use valves and tubercle technology to help channel water flow. As a result, they maximize nonstop resistance as you move your arms. It takes more power and energy to move, giving you a more intense workout. Coming in a set of two, the Hydro Shredders have an extended handle size to be suitable for everyone. They also are complete with a no-slip grip for better dexterity. Although designed for your hands, the Hydro Shredders give you a full body workout.