Arena fins arena power fin green world-exclusive aqua sole design for superior propulsion in every training session. An essential item for any kit bag, the arena power fins are used by swimmers of all abilities to increase their strength and speed in the water. The power fin features a world-exclusive aqua sole design for improved grip and superior propulsion. Made from 100% silicone to prevent blisters, the arena power fin has been designed to use the natural resistance of the water to increase muscular activity. Power fins strengthen your calves and ankles, while also helping your upper body adjust to swimming at an increased speed, making you a far better all-round swimmer. Train smarter, swim faster. World-exclusive aqua sole 100% silicone blister-free fit diamond blade shape calf and ankle strength all abilities 3 key features world-exclusive aqua sole the power fin’s exclusive sole features a channel design engineered for superior propulsion and better grip against the pool wall. No other training fin uses this construction, making it a genuinely distinct tool in your kit bag. Whether pushing off or kicking through sets, the sole works with the water rather than against it. Natural water resistance arena designed the power fin specifically to harness the natural resistance of the water to increase muscular activity during every kick. The diamond shape amplifies stroke power, recruiting more muscle with each rep. Over time this builds the calf and ankle strength that...