The best way to strengthen any muscle group is to increase the weight being pulled. Simply placing this SWIMRUNNERS™ Pull Buoy between your knees allows your arms to pull your whole weight through the water. SWIMRUNNERS™ pull buoy is lightweight, have great buoyancy,
Great for doing muscle conditioning, endurance training, and swimrun.
Made of soft EVA foam.
Dimensions: 135mm x 130mm x 85mm