Achieve the perfect balance of performance

Helps improve performance and flexibility

In addition to helping you bypass blisters and chafing

MaxLife Eco fabric with UPF 50+ protection

and ribbed hems ensure kids stay ready for anything

Speedo Biofuse Fitness Fin Size:XS Achieve the perfect balance ofGet more from your training with the Speedo Biofuse Fitness Fin. These 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. Features Speedo Biofuse technology: for maximum comfort and fit Strengthen leg muscles: added resistance