Arena fins arena powerfin pro ii training fin green advanced training fins engineered for faster kicks and greater power. Our pro powerfins are an advanced swimmer tool for developing kick power. Our innovative design has an inclined short blade for maximum forward thrust and frequent kicking. We engineered them for faster kicks and improved control. Customised for each foot, the open heel ensures optimal flexibility, motion and power. Take your lower body workout to the next level. Inclined short blade open heel design 100% silicone pvc-free foot-specific fit advanced training aid 3 key features maximum forward thrust the inclined short blade is designed specifically to generate maximum forward thrust with every kick. The blade angle encourages frequent, powerful kicking rather than long, slow strokes. This makes the powerfin pro ii ideal for high-intensity kick sets and sprint training. Faster kicks, improved control arena engineered these fins to promote a faster kick tempo without sacrificing control through the water. The shorter blade length reduces drag and encourages a tighter, more efficient kick pattern. Swimmers develop better neuromuscular habits that transfer directly to racing and open training. Customised fit with open heel each fin is shaped specifically for the left or right foot, ensuring a precise and comfortable fit every session. The open heel design maximises ankle flexibility, allowing a full range of motion and natural power transfer. Made from 100...