Aquasphere Fins Microfin - Large / Black

Microfin is a short blade training fin for a leg muscle work out The unique structure acts specifically on those body areas that competitive swimmers need to strenghten The closed heel foot pocket is fitted to efficiently transfer power from foot to fin while the short blade is calibrated to allow for a consistent kick tempo while maintaining proper technique Top quality materials provides efficiency durability and comfort without cramps - Rigid sole helps prevent cramping - Closed foot pocket made of durable TPR polymer material - Anti-slip rubber pads grip the wall during flip turns and on wet floor - Improves technique while strengthening and toning muscle - Muscles reinforcement