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™ Ocean Monster is very lightweight, and bigger than the ordinary SWIMRUNNERS™ pull buoy. The EVA foam is a bit softer, and have great buoyancy.
Great for doing muscle conditioning, endurance training, and swimrun.
Made of soft EVA foam.
Dimensions: 200mm x 85mm x 233mm