Speedo Biofuse Fitness Fin - Hyper Yellow/Arctic Glass | Size: XL

Get more from your training with the Biofuse Fitness Fin. Our comfortable fitness fins feature stiff blades for maximum water resistance and a more challenging lower body workout. Providing extra propulsion to your stroke, they promote better ankle mobility and provide easy speed so you can focus on your body positioning or kick technique. 100% silicone for excellent comfort. Features: 100% Silicone for excellent comfort Strengthen leg muscles - added resistance improves strength and endurance Increase workout speed - training Fins add extra propulsion to the stroke Develop ankle mobility - increased surface created forces ankle extension during kicking, which makes the kick more propulsive and efficient