Add intense resistance to your swim session with Arena's Flex Paddles. Engineered for the ultimate upper-body workout, Arena's newest resistance tool has an innovative flexible mesh surface for a better feel of the water and improved control. They designed these paddles with a special shape for less strain on your shoulders. They fit snugly so they won’t slip while swimming. Created for professional, competitive and fitness swimmers, this Arena exclusive is an effective way to improve your strength in the water.