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 strengthen. 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.. \u2022 Rigid sole helps prevent cramping. \u2022 Closed foot pocket made of durable TPR polymer material. \u2022 Anti-slip rubber pads grip the wall during flip turns and on wet floor. \u2022 Improves technique while strengthening and toning muscle. \u2022 Muscles reinforcement. \u2022 Ergonomic Foot pocket. \u2022 Bi-material\u2026More Details Available\n\nAqua Sphere Micro Fin Junior Triathlon Swimming Flipper Fin Blue/Black Small\n\nDescription\n\nMicrofin is a short blade training fin for a leg muscle work out. The unique structure acts spe.