Speedo Adult Hyperdeep FinThe Speedo Adult Hyperdeep Fin helps you navigate the open water quickly and easily, and comes with updates that improve the fins' power and comfort.
Shorter fin blade allows for powerful acceleration and movement. Speedo Tail Fin technology help channel power down the fin for efficient kicking. Open heel. Speed Fit clips for easy strap adjustment. Ergonomic rubber foot pocket. Stiff plastic blade.