Finis Edge Fins Swimming Fins for Men and Women - 100% Silicone Swim Fins to Improve Form and Strength - Swim Flippers for Pool Accessories - Ml (Male
From Macy's
The Edge fins are designed to improve technique and give your legs a real workout. It takes power to push these fins through the water, which results in building strength and endurance, that activate your hips and quadriceps, enforcing a proper kick that starts at your hips and not your knees.